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Java io

滚过红尘说红尘 2022-10-08 阅读 71


StringBuilder

package dynamic;

import java.io.DataInputStream;
import java.io.InputStream;
import java.util.Scanner;

/**
* Created by yuan on 2017/2/16.
*/
public class testStrem

public static void main(String[] args) {

StringBuilder out = new StringBuilder();
out.append("a");
out.append("b");
out.append("b");
out.append("b");
out.append("b");
System.out.println(out.toString());
}
}


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