compareoper.java

一个J2SE的简单入门

package 第三章;

public class CompareOper {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int a= 5;
		int b= 20;
		System.out.println("先看原始数据的比较");
		System.out.println("a>b="+(a>b));
		System.out.println("a<b="+(a<b));
		System.out.println("a==b="+(a==b));
		System.out.println("a!=b="+(a!=b));
		
		String s1= new String("Good morning");
		String s2= new String("Good morning");
		
		System.out.println("现在看非原始数据的比较");
		System.out.println("s1==s2="+(s1==s2));
		System.out.println("s1.equals(s2)="+s1.equals(s2));
		
	}

}