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Java Programming Code Examples

Java > Core Java Code Examples

Demonstrating the logical operators

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Demonstrating the logical operators import javax.swing.*; public class LogicalOperators { public static void main( String args[] ) { JTextArea outputArea = new JTextArea( 17, 20 ); JScrollPane scroller = new JScrollPane( outputArea ); String output = ""; output += "Logical AND (&&)" + "\nfalse && false: " + ( false && false ) + "\nfalse && true: " + ( false && true ) + "\ntrue && false: " + ( true && false ) + "\ntrue && true: " + ( true && true ); output += "\n\nLogical OR (||)" + "\nfalse || false: " + ( false || false ) + "\nfalse || true: " + ( false || true ) + "\ntrue || false: " + ( true || false ) + "\ntrue || true: " + ( true || true ); output += "\n\nBoolean logical AND (&)" + "\nfalse & false: " + ( false & false ) + "\nfalse & true: " + ( false & true ) + "\ntrue & false: " + ( true & false ) + "\ntrue & true: " + ( true & true ); output += "\n\nBoolean logical inclusive OR (|)" + "\nfalse | false: " + ( false | false ) + "\nfalse | true: " + ( false | true ) + "\ntrue | false: " + ( true | false ) + "\ntrue | true: " + ( true | true ); output += "\n\nBoolean logical exclusive OR (^)" + "\nfalse ^ false: " + ( false ^ false ) + "\nfalse ^ true: " + ( false ^ true ) + "\ntrue ^ false: " + ( true ^ false ) + "\ntrue ^ true: " + ( true ^ true ); output += "\n\nLogical NOT (!)" + "\n!false: " + ( !false ) + "\n!true: " + ( !true ); outputArea.setText( output ); JOptionPane.showMessageDialog( null, scroller, "Truth Tables", JOptionPane.INFORMATION_MESSAGE ); System.exit( 0 ); } }