j02060407.java

来自「经典java教材《java完美经典》一书中源码的完全收集」· Java 代码 · 共 21 行

import java.lang.*;

class j02060407
{
  public static void main(String para[])
  {
		StringBuffer strbuf1 = new StringBuffer();
		System.out.println( "ptr1: strbuf1 内含字符串 = " + strbuf1 + "~~");
		System.out.println( "内部缓冲区容量  = " + strbuf1.capacity() ); //16
		
		StringBuffer strbuf2 = new StringBuffer(20);
		System.out.println( "ptr2: strbuf2 内含字符串 = " + strbuf2 + "~~");
		System.out.println( "内部缓冲区容量  = " + strbuf2.capacity() ); //20
		
		StringBuffer strbuf3 = new StringBuffer( "test Buffer");
		System.out.println( "ptr3: strbuf3 内含字符串 = " + strbuf3 + "~~");
		System.out.println( "内部缓冲区容量  = " + strbuf3.capacity() ); //16+11
  }
}