【Java开源代码栏目提醒】:网学会员鉴于大家对Java开源代码十分关注,论文会员在此为大家搜集整理了“j02060412.java”一文,供大家参考学习
import java.lang.*;
class j02060412
{
public static void main(String para[])
{
StringBuffer sb1 = new StringBuffer( "1234567" );
StringBuffer sb2 = new StringBuffer( sb1.toString() ); //参考新的实体,但有同样的字符串内容
System.out.println("sb1 变动前==> sb1 = " + sb1 + " sb2 = " + sb2);
sb1.delete(0,4);
System.out.println("sb1 变动后==> sb1 = " + sb1 + " sb2 = " + sb2);
StringBuffer sb3 = new StringBuffer("1234567");
StringBuffer sb4 = sb3; //参考同一个实体
System.out.println("sb3 变动前==> sb3 = " + sb3 + " sb4 = " + sb4);
sb3.delete(0,4);
System.out.println("sb3 变动后==> sb3 = " + sb3 + " sb4 = " + sb4);
}
}
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