conditiondemo.java~2~

jbuilder2006一书的所有源代码

package operationsymbol;

public class ConditionDemo {
  public static void main(String[] args) {
    int i = 1;
    int b = 2;
    System.out.println("两个变量初始值分别为：");
    System.out.println("a = " + i);
    System.out.println("b = " + b);
    System.out.println("a > b = " + (i > b));      //得到逻辑结果值false
    System.out.println("a != b = " + (i != b));     //得到逻辑结果值true
    //在下面的实例中利用了String.valueOf类函数进行类型转换来直接获取运算结果
    System.out.println("和运算操作：");
    System.out.println("(a != b)&&(a != b)=" + String.valueOf((i != b)&&(i != b)));
    System.out.println("(a != b)&&(a != b)&&(a > b)=" + String.valueOf((i != b)&&(i != b)&&(i > b)));
    System.out.println("或者运算操作：");
    System.out.println("(a != b)||(a != b)=" + String.valueOf((i != b)||(i != b)));
    System.out.println("(a != b)||(a != b)||(a > b)=" + String.valueOf((i != b)||(i != b)||(i > b)));
    System.out.println("相反运算操作：");
    System.out.println("!(a != b)="+String.valueOf(!(i != b)));
    System.out.println("!(a > b)="+String.valueOf(!(i > b)));
    System.out.println("和运算操作：");
    System.out.println("(a > b)&(a > b)=" + String.valueOf((i > b)&(i > b)));
    System.out.println("(a != b)&(a != b)&(a > b)=" + String.valueOf((i != b)&(i != b)&(i > b)));
    System.out.println("或者运算操作：");
    System.out.println("(a != b)|(a != b)=" + String.valueOf((i != b)|(i != b)));
    System.out.println("(a != b)|(a != b)|(a > b)=" + String.valueOf((i != b)|(i != b)|(i > b)));
    System.out.println("取不相等运算操作：");
    System.out.println("(a > b)^(a > b)="+String.valueOf((i > b)^(i > b)));
    System.out.println("(a != b)^(a != b)^(a > b)="+String.valueOf((i != b)^(i != b)^(i > b)));

  }
}