String和StringBuffer

package com.cavaness.quartzbook.chapter3;public class DateTest {public static void main(String[] args) {test();}public static void test() {System.out.println(new String("abc").equals(new String("abc")));System.out.println(new StringBuffer("abc").equals(new StringBuffer("abc")));/* * String实现了equals方法，new String(“abc”).equals(new String(“abc”)的结果为true, * 而StringBuffer没有实现equals方法，所以，new StringBuffer(“abc”).equals(new StringBuffer(“abc”) * 的结果为false。 */}}