1 package com.java7; 2 // Try this 2-2: a truth table for the logical operators. 3 public class LogicalOpTable { 4     public static void main(String[] args) { 5          6         boolean p, q; 7          8         System.out.println("p\tQ\tAND\tOR\tXOR\tNOT"); 9         10         p = true; q = true;11         System.out.print(p + "\t" + q + "\t");12         System.out.print((p&q) + "\t" + (p|q) + "\t");13         System.out.println((p^q) + "\t" + (!(p&q)));14         15         p = true; q = false;16         System.out.print(p + "\t" + q + "\t");17         System.out.print((p&q) + "\t" + (p|q) + "\t");18         System.out.println((p^q) + "\t" + (!(p&q)));19         20         p = false; q = true;21         System.out.print(p + "\t" + q + "\t");22         System.out.print((p&q) + "\t" + (p|q) + "\t");23         System.out.println((p^q) + "\t" + (!(p&q)));24         25         p = false; q = false;26         System.out.print(p + "\t" + q + "\t");27         System.out.print((p&q) + "\t" + (p|q) + "\t");28         System.out.println((p^q) + "\t" + (!(p&q)));29     }30 }

  1 package com.java7;  2 // Try this 2-2: a truth table for the logical operators.  3 public class LogicalOpTable10Method1 {  4     public static void main(String[] args) {  5           6         boolean p, q;  7         int o ,z;  8         o = 1;  9         z = 0; 10          11         System.out.println("p\tQ\tAND\tOR\tXOR\tNOT"); 12          13         // true; true 14         p = true; q = true; 15         if(p == true){ 16             System.out.print(o + "\t"); 17         }else{ 18             System.out.print(z + "\t"); 19         } 20         if(q == true){ 21             System.out.print(o + "\t"); 22         }else{ 23             System.out.print(z + "\t"); 24         } 25         if(p & q == true){ 26             System.out.print(o + "\t"); 27         }else{ 28             System.out.print(z + "\t"); 29         } 30         if(p | q == true){ 31             System.out.print(o + "\t"); 32         }else{ 33             System.out.print(z + "\t"); 34         } 35         if(p ^ q == true){ 36             System.out.print(o + "\t"); 37         }else{ 38             System.out.print(z + "\t"); 39         } 40         if(!(p & q) == true){ 41             System.out.println(o + "\t"); 42         }else{ 43             System.out.println(z + "\t"); 44         } 45          46         // true; false 47         p = true; q = false; 48         if(p == true){ 49             System.out.print(o + "\t"); 50         }else{ 51             System.out.print(z + "\t"); 52         } 53         if(q == true){ 54             System.out.print(o + "\t"); 55         }else{ 56             System.out.print(z + "\t"); 57         } 58         if(p & q == true){ 59             System.out.print(o + "\t"); 60         }else{ 61             System.out.print(z + "\t"); 62         } 63         if(p | q == true){ 64             System.out.print(o + "\t"); 65         }else{ 66             System.out.print(z + "\t"); 67         } 68         if(p ^ q == true){ 69             System.out.print(o + "\t"); 70         }else{ 71             System.out.print(z + "\t"); 72         } 73         if(!(p & q) == true){ 74             System.out.println(o + "\t"); 75         }else{ 76             System.out.println(z + "\t"); 77         } 78          79          80         // false; true 81         p = false; q = true; 82         if(p == true){ 83             System.out.print(o + "\t"); 84         }else{ 85             System.out.print(z + "\t"); 86         } 87         if(q == true){ 88             System.out.print(o + "\t"); 89         }else{ 90             System.out.print(z + "\t"); 91         } 92         if(p & q == true){ 93             System.out.print(o + "\t"); 94         }else{ 95             System.out.print(z + "\t"); 96         } 97         if(p | q == true){ 98             System.out.print(o + "\t"); 99         }else{100             System.out.print(z + "\t");101         }102         if(p ^ q == true){103             System.out.print(o + "\t");104         }else{105             System.out.print(z + "\t");106         }107         if(!(p & q) == true){108             System.out.println(o + "\t");109         }else{110             System.out.println(z + "\t");111         }112         113         114         // false; false115         p = false; q = false;116         if(p == true){117             System.out.print(o + "\t");118         }else{119             System.out.print(z + "\t");120         }121         if(q == true){122             System.out.print(o + "\t");123         }else{124             System.out.print(z + "\t");125         }126         if(p & q == true){127             System.out.print(o + "\t");128         }else{129             System.out.print(z + "\t");130         }131         if(p | q == true){132             System.out.print(o + "\t");133         }else{134             System.out.print(z + "\t");135         }136         if(p ^ q == true){137             System.out.print(o + "\t");138         }else{139             System.out.print(z + "\t");140         }141         if(!(p & q) == true){142             System.out.println(o + "\t");143         }else{144             System.out.println(z + "\t");145         }146     }147 }