2.14shortcircuit.java

JAVA程序设计的源代码

public class ShortCircuit{
static boolean testl(int val)  {
System.out.println("test1("+val+")");
System.out.println("result："+(val<1));
return val<1;
}
static boolean test2(int val)  {
System.out.println("test2("+val+")");
System.out.println("result："+(val<2));
return val<2;
}
static boolean test3(int val)  {
System.out.println("test3("+val+")");
System.out.println("result："+(val<3));
return val<3;
}
public static void main(String []args)  {
if(testl(0) && test2(2) && test3(2))    //一旦某次测试为假立即停止整个测试
System.out.println("expression is true.");
else
System.out.println("expression is false.");
}
}