import java.lang.Boolean; import java.lang.Integer; public class Op1 { public not() { var b = false; var c = !b; return c; } public or() { var a = 10; var b = 20; return a | b; } public and() { var a = 10; var b = 20; return a & b; } public xor() { var a = 10; var b = 20; return a ^ b; } public mod() { var a = 10; var b = 2; return a % b; } }