Table Of Contents<\/h3>\n\n- 1. Overview<\/a><\/dt>\n
- 2. Basic Java Operators<\/a><\/dt>\n
- \n
\n- 2.1. Prerequisites<\/a><\/dt>\n
- 2.2. Download<\/a><\/dt>\n
- 2.3. Setup<\/a><\/dt>\n
- 2.4. IDE<\/a><\/dt>\n
- 2.5. Arithmetic Operators<\/a><\/dt>\n
- 2.6. Bitwise Operators<\/a><\/dt>\n
- 2.7. Assignment Operators<\/a><\/dt>\n
- 2.8. Relational Operators<\/a><\/dt>\n
- 2.9. Logical Operators<\/a><\/dt>\n
- 2.10. Ternary Operators<\/a><\/dt>\n
- 2.11. Unary Operators<\/a><\/dt>\n
- 2.12. BitShift Operators<\/a><\/dt>\n
- 2.13. Instance of<\/a><\/dt>\n
- 2.14. Precedence Rules<\/a><\/dt>\n<\/dl>\n<\/dd>\n
- 3. Download the Source Code<\/a><\/dt>\n<\/dl>\n<\/div>\n
<\/p>\n
1. Overview<\/h2>\n
If you want to learn java, java operators are a great starting point. Java Operators are symbols that operate on one or more than one operand to give an output. Operators specify to the java interpreter to perform an operation. <\/p>\n
<\/a>2. Java Operators<\/h2>\nJava Operators are the symbols to perform an operation. They help the interpreter to execute the operation. There are multiple type of operations in java. <\/p>\n![\"Java](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/java_operators.png\")
Java Operators<\/figcaption><\/figure>\n<\/a>2.1 Prerequisites<\/h3>\nJava 8 is required on the Linux, Windows or Mac operating system. Eclipse Oxygen can be used for this example. <\/p>\n
<\/a>2.2 Download<\/h3>\nYou can download Java 8 from the Oracle web site<\/a> . Eclipse Oxygen can be downloaded from the eclipse web site<\/a>. <\/p>\n<\/a>2.3 Setup<\/h3>\n2.3.1 Java Setup<\/h4>\n
Below is the setup commands required for the Java Environment.<\/p>\n
Setup<\/em><\/span><\/p>\nJAVA_HOME=\"\/desktop\/jdk1.8.0_73\"\nexport JAVA_HOME\nPATH=$JAVA_HOME\/bin:$PATH\nexport PATH\n<\/pre>\n<\/a>2.4 IDE<\/h3>\n2.4.1 Eclipse Oxygen Setup<\/h4>\n
The \u2018eclipse-java-oxygen-2-macosx-cocoa-x86_64.tar\u2019 can be downloaded from the eclipse website. The tar file is opened by double click. The tar file is unzipped by using the archive utility. After unzipping, you will find the eclipse icon in the folder. You can move the eclipse icon from the folder to applications by dragging the icon.<\/p>\n
2.4.2 Launching IDE<\/h4>\n
Eclipse has features related to language support, customization, and extension. You can click on the eclipse icon to launch eclipse. The eclipse screen pops up as shown in the screenshot below:<\/p>\n![\"Java](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/06\/eclipse_launch_3.jpg.webp\")
Launching IDE<\/figcaption><\/figure>\nYou can select the workspace from the screen which pops up. The attached image shows how it can be selected.<\/p>\n![\"Java](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/06\/eclipse_workspace_3.jpg.webp\")
Eclipse Workspace<\/figcaption><\/figure>\nYou can see the eclipse workbench on the screen. The attached screenshot shows the Eclipse project screen.<\/p>\n![\"Java](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/06\/eclipse_launch_workspace-2.jpg.webp\")
Eclipse Workbench<\/figcaption><\/figure>\nJava Hello World<\/code> class prints the greetings. The screenshot below is added to show the class and execution on the eclipse.<\/p>\n![\"Java](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/08\/java_hello.jpg\")
Java Hello<\/figcaption><\/figure>\n<\/a>2.5 Arithmetic Operators<\/h3>\n Arithmetic operators are used to execute arithmetic operations on java primitive data types. The operators are listed below:<\/p>\n
\n- * <\/strong> (Multiplication)<\/li>\n
- \/ <\/strong> (Division)<\/li>\n
- % <\/strong>(Modulus)<\/li>\n
- + <\/strong>(Addition)<\/li>\n
- \u2013 <\/strong>(Subtraction)<\/li>\n<\/ul>\n
The code below shows the arithmetic operators specified above with examples.<\/p>\n
Arithmetic Operators<\/em><\/span><\/p>\npublic class ArithmeticOperators {\n\n\tpublic ArithmeticOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tint g = 50, h = 70, i = 10, j = 90, k = 80, l = 60; \n String u = \"You are\", v = \"Welcome\"; \n \n \n System.out.println(\"g + h = \" + (g + h)); \n System.out.println(\"g - h = \" + (g - h)); \n \n \n System.out.println(\"u + v = \" + u + v); \n \n \n System.out.println(\"g * h = \" + (g * h)); \n System.out.println(\"g \/ h = \" + (g \/ h)); \n \n \n System.out.println(\"g % h = \" + (g % h)); \n\n\t}\n\n}\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\njavac ArithmeticOperations.java\njava ArithmeticOperations\n<\/pre>\nThe output of the executed command is shown below.<\/p>\n![\"Java](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/arithmetic.jpg\")
Arithmetic Operators<\/figcaption><\/figure>\n<\/a>2.6 Bitwise Operators<\/h3>\nBitwise operators are used to execute operations on single bits. They can also be used with numbers of integer type. Tree operations such as update and query use bitwise operators in a binary tree. The bitwise operators are listed below:<\/p>\n
\n- &<\/strong> (AND operator) <\/strong>gives the result AND of input bit values.<\/li>\n
- | ( OR operator) gives the result OR of input bit values.<\/li>\n
- ^<\/strong> ( XOR operator) gives the result XOR of input bit values.<\/li>\n
- ~<\/strong> ( Complement Operator) gives the result of input bits reversed.<\/li>\n<\/ul>\n
The code below shows the Bitwise operators specified above with examples.<\/p>\n
Bitwise Operators<\/em><\/span><\/p>\npublic class BitwiseOperators {\n\n\tpublic BitwiseOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n int cbit = 0x0004; \n int dbit = 0x0003; \n \n \n System.out.println(\"cbit&dbit = \" + (cbit & dbit)); \n \n System.out.println(\"cbit|dbit = \" + (cbit | dbit)); \n \n System.out.println(\"cbit^dbit = \" + (cbit ^ dbit)); \n \n System.out.println(\"~cbit = \" + ~cbit); \n \n cbit &= dbit; \n System.out.println(\"cbit= \" + cbit); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:
<\/div> <\/div><\/p>\nRun Command<\/em><\/span><\/p>\njavac BitwiseOperators.java\njava BitwiseOperators\n<\/pre>\nThe output of the executed command is shown below.<\/p>\n![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/bitwise.jpg\")
Bitwise Operations<\/figcaption><\/figure>\n<\/a>2.7 Assignment Operators<\/h3>\nThe assignment operator is used to specify a value to the variable. The direction of the associativity is from right to left. The assignment operator is =.<\/p>\n
The code below shows the assignment operator specified above with examples.<\/p>\n
Assignment Operators<\/em><\/span><\/p>\npublic class AssignmentOperators {\n\n\tpublic AssignmentOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tint h = 20, i = 10, j, k, l = 10, m = 4, n = 9; \n\t\t \n \n j = i; \n System.out.println(\"Value of j = \" + j); \n \n h = h + 1; \n i = i - 1; \n l = l * 2; \n m = m \/ 2; \n System.out.println(\"Sum of h,i,l,m = \" + h + \", \"\n + i + \", \" + l + \", \" + m); \n h = h - 1; \n i = i + 1; \n l = l \/ 2; \n m = m * 2; \n \n h += 1; \n i -= 1; \n l *= 2; \n m \/= 2; \n System.out.println(\"h,i,l,m (\"\n + \"applying shorthand operators)= \"\n + h + \", \" + i + \", \"\n + l + \", \" + m); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\njavac AssignmentOperators.java\njava AssignmentOperators\n<\/pre>\nThe output of the executed command is shown below.<\/p>\n![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/assignment.jpg\")
Assignment Operators<\/figcaption><\/figure>\n<\/a>2.8 Relational Operators<\/h3>\nRelational operators are used to perform relational operations. The relational operations are equal to, not equal to, greater than, less than, less than equal to, and greater than equal to. These operators give a boolean result. These operations are used in looping and conditional statements. The relational operators are listed below:<\/p>\n
\n- ==<\/strong> (Equal to) gives a boolean result true if left-hand side value is equal to right-hand-side value.<\/li>\n
- !=<\/strong> (Not Equal to) gives a boolean result true if left-hand side value is not equal to right-hand-side value.<\/li>\n
- <<\/strong> (less than) <\/strong>gives a boolean result true if left-hand side value is less than the right-hand side value.<\/li>\n
- <=<\/strong> (less than or equal to ) <\/strong>gives a boolean result true if left-hand side value is less than or equal to the right-hand side value.<\/li>\n
- ><\/strong> (greater than ) gives a boolean result true if left-hand side value is greater than the right-hand-side value.<\/li>\n
- >=<\/strong> (greater than or equal to ) <\/strong>gives a boolean result true if left-hand side value is greater than or equal to the right-hand side value.<\/li>\n<\/ul>\n
The code below shows the relational operators specified above with examples.<\/p>\n
Relational Operators<\/em><\/span><\/p>\npublic class RelationalOperators {\n\n\tpublic RelationalOperators() {\n\n\t}\n\n\tpublic static void main(String[] args) {\n int c = 30, d = 20; \n String u = \"Welcome\", v = \"Welcome\"; \n int array1[] = { 1, 2, 3 }; \n int array2[] = { 1, 2, 3 }; \n boolean condvar = true; \n \n \n System.out.println(\"c == d :\" + (c == d)); \n System.out.println(\"c < d :\" + (c < d)); \n System.out.println(\"c <= d :\" + (c d :\" + (c > d)); \n System.out.println(\"c >= d :\" + (c >= d)); \n System.out.println(\"c != d :\" + (c != d)); \n \n System.out.println(\"u == v : \" + (u == v)); \n System.out.println(\"array1 == array2 : \" + (array1 == array2)); \n \n System.out.println(\"condvar==true :\"\n + (condvar == true)); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\njavac RelationalOperators.java\njava RelationalOperators\n<\/pre>\nThe output of the executed command is shown below.<\/p>\n![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/relational.jpg\")
Relational Operators<\/figcaption><\/figure>\n<\/a>2.9 Logical Operators in Java<\/h3>\nLogical operators are used to execute logical operations such as AND and OR operations. These operations are based on digital gate operations. Given two conditions, the second condition is not executed during the operation if the first condition is false in the case of AND operation. These operators are listed below:<\/p>\n
\n- &&<\/strong> (AND) gives a boolean result true when both conditions are true.<\/li>\n
- ||<\/strong> (OR) <\/strong>gives a boolean result true if at least one condition is true.<\/li>\n<\/ul>\n
The code below shows the logical operator (&&) in a Java example.<\/p>\n
Logical Operators<\/em><\/span><\/p>\npublic class LogicalOperators {\n\n\tpublic LogicalOperators() {\n\t\t\n\t}\n\t\n\t\n\tpublic boolean login(String username, String password, String u, String v)\n\t{\n if ((username.equals(u) && password.equals(v)) \n || (username.equals(v) && password.equals(u))) { \n return true;\n } \n else { \n return false; \n } \n \n\t}\n\t\n\tpublic void printMessage(boolean check)\n\t{\n\t\t if(check)\n\t {\n\t System.out.println(\"User is authenticated\"); \n\t }\n\t else\n\t {\n\t \t System.out.println(\"Wrong uid or password\"); \n\t }\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tString u = \"thomas\"; \n String v = \"password\"; \n \n LogicalOperators logic = new LogicalOperators();\n \n \n String username = \"thomas\"; \n \n String password = \"password\"; \n \n boolean check = logic.login(username, password, u, v);\n \n \n System.out.println(\"user\"+username);\n \n logic.printMessage(check) ;\n \n username = \"william\";\n \n password = \"passwo1d\";\n \n check = logic.login(username, password, u, v);\n \n System.out.println(\"user\"+username);\n \n logic.printMessage(check) ;\n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet related to the logical operator in Java:<\/p>\n
Run Command<\/em><\/span><\/p>\njavac LogicalOperators.java\njava LogicalOperators\n<\/pre>\nThe output of the executed command is shown below.<\/p>\n![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/logical.jpg\")
Logical Operators<\/figcaption><\/figure>\n<\/a>2.10 Ternary Operators<\/h3>\nTernary operators are related to the if-else statement. It consists of three operands. Ternary refers to three operators. The operator format is typically like ‘condition ? if condition is true : if condition isfalse ‘<\/p>\n
The code below shows the ternary operator example.<\/p>\n
Ternary Operators<\/em><\/span><\/p>\npublic class TernaryOperators {\n\n\tpublic TernaryOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tint d = 40, e = 20, f = 50, output; \n\t\t \n\n output = ((d > e) \n ? (d > f) \n ? d \n : f \n : (e > f) \n ? e \n : f); \n System.out.println(\"Maximum of three given numbers is \"\n + output); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\njavac TernaryOperators.java\njava TernaryOperators\n<\/pre>\n
- \n
- 2.1. Prerequisites<\/a><\/dt>\n
- 2.2. Download<\/a><\/dt>\n
- 2.3. Setup<\/a><\/dt>\n
- 2.4. IDE<\/a><\/dt>\n
- 2.5. Arithmetic Operators<\/a><\/dt>\n
- 2.6. Bitwise Operators<\/a><\/dt>\n
- 2.7. Assignment Operators<\/a><\/dt>\n
- 2.8. Relational Operators<\/a><\/dt>\n
- 2.9. Logical Operators<\/a><\/dt>\n
- 2.10. Ternary Operators<\/a><\/dt>\n
- 2.11. Unary Operators<\/a><\/dt>\n
- 2.12. BitShift Operators<\/a><\/dt>\n
- 2.13. Instance of<\/a><\/dt>\n
- 2.14. Precedence Rules<\/a><\/dt>\n<\/dl>\n<\/dd>\n
- 3. Download the Source Code<\/a><\/dt>\n<\/dl>\n<\/div>\n
<\/p>\n
1. Overview<\/h2>\n
If you want to learn java, java operators are a great starting point. Java Operators are symbols that operate on one or more than one operand to give an output. Operators specify to the java interpreter to perform an operation. <\/p>\n
<\/a>2. Java Operators<\/h2>\n
Java Operators are the symbols to perform an operation. They help the interpreter to execute the operation. There are multiple type of operations in java. <\/p>\n
Java Operators<\/figcaption><\/figure>\n <\/a>2.1 Prerequisites<\/h3>\n
Java 8 is required on the Linux, Windows or Mac operating system. Eclipse Oxygen can be used for this example. <\/p>\n
<\/a>2.2 Download<\/h3>\n
You can download Java 8 from the Oracle web site<\/a> . Eclipse Oxygen can be downloaded from the eclipse web site<\/a>. <\/p>\n
<\/a>2.3 Setup<\/h3>\n
2.3.1 Java Setup<\/h4>\n
Below is the setup commands required for the Java Environment.<\/p>\n
Setup<\/em><\/span><\/p>\n
JAVA_HOME=\"\/desktop\/jdk1.8.0_73\"\nexport JAVA_HOME\nPATH=$JAVA_HOME\/bin:$PATH\nexport PATH\n<\/pre>\n
<\/a>2.4 IDE<\/h3>\n
2.4.1 Eclipse Oxygen Setup<\/h4>\n
The \u2018eclipse-java-oxygen-2-macosx-cocoa-x86_64.tar\u2019 can be downloaded from the eclipse website. The tar file is opened by double click. The tar file is unzipped by using the archive utility. After unzipping, you will find the eclipse icon in the folder. You can move the eclipse icon from the folder to applications by dragging the icon.<\/p>\n
2.4.2 Launching IDE<\/h4>\n
Eclipse has features related to language support, customization, and extension. You can click on the eclipse icon to launch eclipse. The eclipse screen pops up as shown in the screenshot below:<\/p>\n
Launching IDE<\/figcaption><\/figure>\n You can select the workspace from the screen which pops up. The attached image shows how it can be selected.<\/p>\n
Eclipse Workspace<\/figcaption><\/figure>\n You can see the eclipse workbench on the screen. The attached screenshot shows the Eclipse project screen.<\/p>\n
Eclipse Workbench<\/figcaption><\/figure>\n Java
Hello World<\/code> class prints the greetings. The screenshot below is added to show the class and execution on the eclipse.<\/p>\nJava Hello<\/figcaption><\/figure>\n <\/a>2.5 Arithmetic Operators<\/h3>\n
Arithmetic operators are used to execute arithmetic operations on java primitive data types. The operators are listed below:<\/p>\n
- \n
- * <\/strong> (Multiplication)<\/li>\n
- \/ <\/strong> (Division)<\/li>\n
- % <\/strong>(Modulus)<\/li>\n
- + <\/strong>(Addition)<\/li>\n
- \u2013 <\/strong>(Subtraction)<\/li>\n<\/ul>\n
The code below shows the arithmetic operators specified above with examples.<\/p>\n
Arithmetic Operators<\/em><\/span><\/p>\n
public class ArithmeticOperators {\n\n\tpublic ArithmeticOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tint g = 50, h = 70, i = 10, j = 90, k = 80, l = 60; \n String u = \"You are\", v = \"Welcome\"; \n \n \n System.out.println(\"g + h = \" + (g + h)); \n System.out.println(\"g - h = \" + (g - h)); \n \n \n System.out.println(\"u + v = \" + u + v); \n \n \n System.out.println(\"g * h = \" + (g * h)); \n System.out.println(\"g \/ h = \" + (g \/ h)); \n \n \n System.out.println(\"g % h = \" + (g % h)); \n\n\t}\n\n}\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\n
javac ArithmeticOperations.java\njava ArithmeticOperations\n<\/pre>\n
The output of the executed command is shown below.<\/p>\n
Arithmetic Operators<\/figcaption><\/figure>\n <\/a>2.6 Bitwise Operators<\/h3>\n
Bitwise operators are used to execute operations on single bits. They can also be used with numbers of integer type. Tree operations such as update and query use bitwise operators in a binary tree. The bitwise operators are listed below:<\/p>\n
- \n
- &<\/strong> (AND operator) <\/strong>gives the result AND of input bit values.<\/li>\n
- | ( OR operator) gives the result OR of input bit values.<\/li>\n
- ^<\/strong> ( XOR operator) gives the result XOR of input bit values.<\/li>\n
- ~<\/strong> ( Complement Operator) gives the result of input bits reversed.<\/li>\n<\/ul>\n
The code below shows the Bitwise operators specified above with examples.<\/p>\n
Bitwise Operators<\/em><\/span><\/p>\n
public class BitwiseOperators {\n\n\tpublic BitwiseOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n int cbit = 0x0004; \n int dbit = 0x0003; \n \n \n System.out.println(\"cbit&dbit = \" + (cbit & dbit)); \n \n System.out.println(\"cbit|dbit = \" + (cbit | dbit)); \n \n System.out.println(\"cbit^dbit = \" + (cbit ^ dbit)); \n \n System.out.println(\"~cbit = \" + ~cbit); \n \n cbit &= dbit; \n System.out.println(\"cbit= \" + cbit); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:
<\/div> <\/div><\/p>\nRun Command<\/em><\/span><\/p>\n
javac BitwiseOperators.java\njava BitwiseOperators\n<\/pre>\n
The output of the executed command is shown below.<\/p>\n
Bitwise Operations<\/figcaption><\/figure>\n <\/a>2.7 Assignment Operators<\/h3>\n
The assignment operator is used to specify a value to the variable. The direction of the associativity is from right to left. The assignment operator is =.<\/p>\n
The code below shows the assignment operator specified above with examples.<\/p>\n
Assignment Operators<\/em><\/span><\/p>\n
public class AssignmentOperators {\n\n\tpublic AssignmentOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tint h = 20, i = 10, j, k, l = 10, m = 4, n = 9; \n\t\t \n \n j = i; \n System.out.println(\"Value of j = \" + j); \n \n h = h + 1; \n i = i - 1; \n l = l * 2; \n m = m \/ 2; \n System.out.println(\"Sum of h,i,l,m = \" + h + \", \"\n + i + \", \" + l + \", \" + m); \n h = h - 1; \n i = i + 1; \n l = l \/ 2; \n m = m * 2; \n \n h += 1; \n i -= 1; \n l *= 2; \n m \/= 2; \n System.out.println(\"h,i,l,m (\"\n + \"applying shorthand operators)= \"\n + h + \", \" + i + \", \"\n + l + \", \" + m); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\n
javac AssignmentOperators.java\njava AssignmentOperators\n<\/pre>\n
The output of the executed command is shown below.<\/p>\n
Assignment Operators<\/figcaption><\/figure>\n <\/a>2.8 Relational Operators<\/h3>\n
Relational operators are used to perform relational operations. The relational operations are equal to, not equal to, greater than, less than, less than equal to, and greater than equal to. These operators give a boolean result. These operations are used in looping and conditional statements. The relational operators are listed below:<\/p>\n
- \n
- ==<\/strong> (Equal to) gives a boolean result true if left-hand side value is equal to right-hand-side value.<\/li>\n
- !=<\/strong> (Not Equal to) gives a boolean result true if left-hand side value is not equal to right-hand-side value.<\/li>\n
- <<\/strong> (less than) <\/strong>gives a boolean result true if left-hand side value is less than the right-hand side value.<\/li>\n
- <=<\/strong> (less than or equal to ) <\/strong>gives a boolean result true if left-hand side value is less than or equal to the right-hand side value.<\/li>\n
- ><\/strong> (greater than ) gives a boolean result true if left-hand side value is greater than the right-hand-side value.<\/li>\n
- >=<\/strong> (greater than or equal to ) <\/strong>gives a boolean result true if left-hand side value is greater than or equal to the right-hand side value.<\/li>\n<\/ul>\n
The code below shows the relational operators specified above with examples.<\/p>\n
Relational Operators<\/em><\/span><\/p>\n
public class RelationalOperators {\n\n\tpublic RelationalOperators() {\n\n\t}\n\n\tpublic static void main(String[] args) {\n int c = 30, d = 20; \n String u = \"Welcome\", v = \"Welcome\"; \n int array1[] = { 1, 2, 3 }; \n int array2[] = { 1, 2, 3 }; \n boolean condvar = true; \n \n \n System.out.println(\"c == d :\" + (c == d)); \n System.out.println(\"c < d :\" + (c < d)); \n System.out.println(\"c <= d :\" + (c d :\" + (c > d)); \n System.out.println(\"c >= d :\" + (c >= d)); \n System.out.println(\"c != d :\" + (c != d)); \n \n System.out.println(\"u == v : \" + (u == v)); \n System.out.println(\"array1 == array2 : \" + (array1 == array2)); \n \n System.out.println(\"condvar==true :\"\n + (condvar == true)); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\n
javac RelationalOperators.java\njava RelationalOperators\n<\/pre>\n
The output of the executed command is shown below.<\/p>\n
Relational Operators<\/figcaption><\/figure>\n <\/a>2.9 Logical Operators in Java<\/h3>\n
Logical operators are used to execute logical operations such as AND and OR operations. These operations are based on digital gate operations. Given two conditions, the second condition is not executed during the operation if the first condition is false in the case of AND operation. These operators are listed below:<\/p>\n
- \n
- &&<\/strong> (AND) gives a boolean result true when both conditions are true.<\/li>\n
- ||<\/strong> (OR) <\/strong>gives a boolean result true if at least one condition is true.<\/li>\n<\/ul>\n
The code below shows the logical operator (&&) in a Java example.<\/p>\n
Logical Operators<\/em><\/span><\/p>\n
public class LogicalOperators {\n\n\tpublic LogicalOperators() {\n\t\t\n\t}\n\t\n\t\n\tpublic boolean login(String username, String password, String u, String v)\n\t{\n if ((username.equals(u) && password.equals(v)) \n || (username.equals(v) && password.equals(u))) { \n return true;\n } \n else { \n return false; \n } \n \n\t}\n\t\n\tpublic void printMessage(boolean check)\n\t{\n\t\t if(check)\n\t {\n\t System.out.println(\"User is authenticated\"); \n\t }\n\t else\n\t {\n\t \t System.out.println(\"Wrong uid or password\"); \n\t }\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tString u = \"thomas\"; \n String v = \"password\"; \n \n LogicalOperators logic = new LogicalOperators();\n \n \n String username = \"thomas\"; \n \n String password = \"password\"; \n \n boolean check = logic.login(username, password, u, v);\n \n \n System.out.println(\"user\"+username);\n \n logic.printMessage(check) ;\n \n username = \"william\";\n \n password = \"passwo1d\";\n \n check = logic.login(username, password, u, v);\n \n System.out.println(\"user\"+username);\n \n logic.printMessage(check) ;\n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet related to the logical operator in Java:<\/p>\n
Run Command<\/em><\/span><\/p>\n
javac LogicalOperators.java\njava LogicalOperators\n<\/pre>\n
The output of the executed command is shown below.<\/p>\n
Logical Operators<\/figcaption><\/figure>\n <\/a>2.10 Ternary Operators<\/h3>\n
Ternary operators are related to the if-else statement. It consists of three operands. Ternary refers to three operators. The operator format is typically like ‘condition ? if condition is true : if condition isfalse ‘<\/p>\n
The code below shows the ternary operator example.<\/p>\n
Ternary Operators<\/em><\/span><\/p>\n
public class TernaryOperators {\n\n\tpublic TernaryOperators() {\n\t\t\n\t}\n\n\tpublic static void main(String[] args) {\n\t\tint d = 40, e = 20, f = 50, output; \n\t\t \n\n output = ((d > e) \n ? (d > f) \n ? d \n : f \n : (e > f) \n ? e \n : f); \n System.out.println(\"Maximum of three given numbers is \"\n + output); \n\n\t}\n\n}\n\n<\/pre>\nThe command below executes the above code snippet:<\/p>\n
Run Command<\/em><\/span><\/p>\n
javac TernaryOperators.java\njava TernaryOperators\n<\/pre>\n
- ||<\/strong> (OR) <\/strong>gives a boolean result true if at least one condition is true.<\/li>\n<\/ul>\n
- !=<\/strong> (Not Equal to) gives a boolean result true if left-hand side value is not equal to right-hand-side value.<\/li>\n
- \/ <\/strong> (Division)<\/li>\n
- 2.2. Download<\/a><\/dt>\n
![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/ternary.jpg\")
![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/unary.jpg\")
![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/bitshift.jpg\")
![\"\"](\"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2019\/11\/instanceof.jpg\")