Java StringBuilder appendCodePoint()方法

java.lang.StringBuilder.appendCodePoint(int codePoint) 方法追加码点codePoint 参数到此序列的字符串表示形式。该参数被附加到这个序列中的内容。

1 语法

public StringBuilder appendCodePoint(int codePoint)

2 参数

codePoint ： 这是Unicode代码点。

3 返回值

该方法返回这个对象的引用。

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 * Java StringBuilder appendCodePoint()方法
 */
import java.lang.*;

public class StringBuilderDemo {

  public static void main(String[] args) {
  
    StringBuilder str = new StringBuilder("programming");
    System.out.println("string = " + str);

    // appends the CodePoint as string to the StringBuilder
    str.appendCodePoint(74);
    
    // print the StringBuilder after appendingCodePoint 74
    System.out.println("After appendCodePoint = " + str);
  }
}

输出结果为：

string = programming
After appendCodePoint = programmingJ