Java Character toString() 方法

6 Nov 2024 | 3 分钟阅读

Character 类的 toString() 方法返回一个 String 对象，该对象表示给定 Character 的值。获得的结果通常是一个长度为 1 的字符串，其组成部分是表示 Character 对象的原始 char 值。

语法

返回值

toString()方法返回给定字符的字符串表示。

示例 1

public class JavaCharacterToStringExample1 {
  public static void main(String[] args) {
      // Create two Character objects c1 and c2.
      Character c1, c2;
      // Assign the values to c1 and c2.
      c1 = new Character('r');
      c2 = new Character('9');
      // Create two String objects s1 and s2.
      String s1, s2;
      // Assign the String values of c1 and c2 to s1 and s2 respectively.
      s1 = c1.toString();
      s2 = c2.toString();
      String str1 = "The string value of " + c1 + " is: " + s1;
      String str2 = "The string value of " + c2 + " is: " + s2;
      // Print the values of str1 and str2.
      System.out.println( str1 );
      System.out.println( str2 );
   }
}

输出

The string value of r is: r
The string value of 9 is: 9

示例 2

public class JavaCharacterToStringExample2 {
  public static void main(String[] args) {
      // Create two Character objects c1 and c2.
      Character c1, c2;
      // Assign the values to c1 and c2.
      c1 = new Character('A');
      c2 = new Character('7');
      // Create two String objects s1 and s2.
      String s1, s2;
      // Assign the String values of c1 and c2 to s1 and s2 respectively.
      s1 = c1.toString();
      s2 = c2.toString();
     // Print the values of str1 and str2.
      System.out.println("The string value of " + c1 + " is: " + s1);
      System.out.println("The string value of " + c2 + " is: " + s2);
     
   }
}

输出

The string value of A is: A
The string value of 7 is: 7

Java Character toString(char c) 方法

Character 类的 toString(char c) 方法返回一个 String 对象，该对象表示给定 Character 的值。获得的结果通常是一个长度为 1 的字符串，其组成部分是表示 Character 对象的原始 char 值。

语法

参数

c：需要测试的字符。

返回值

toString(char c) 方法返回给定字符的字符串表示。

示例 1

public class JavaCharacterToStringExample_1 { 
   public static void main(String[] args) {
    // Create two char primitives ch1 and ch2.
      char ch1, ch2;
    // Assign the values to ch1 and ch2.
      ch1 = 'V';
      ch2 = 118;
    // Create two String objects s1 and s2.
      String s1, s2;
    // Assign the String values of ch1 and ch2 to s1 and s2.
      s1 = Character.toString(ch1);
      s2 = Character.toString(ch2);
      String str1 = "The string value of " + ch1 + " is given as:" + s1;
      String str2 = "The string value of " + ch2 + " is given as: " + s2;
    // Print the values.
      System.out.println( str1 );
      System.out.println( str2 );
   }
}

输出

The string value of V is given as:V
The string value of v is given as: v

示例 2

public class JavaCharacterToStringExample_2 {
   public static void main(String[] args) {
    // Create two char primitives ch1 and ch2.
      char ch1, ch2;
    // Assign the values to ch1 and ch2.
      ch1 = 'f';
      ch2 = 'e';
    // Create two String objects s1 and s2.
      String s1, s2;
    // Assign the String values of ch1 and ch2 to s1 and s2.
      s1 = Character.toString(ch1);
      s2 = Character.toString(ch2);
      String str1 = "The string value of " + ch1 + " is given as:" + s1;
      String str2 = "The string value of " + ch2 + " is given as: " + s2;
    // Print the values.
      System.out.println( str1 );
      System.out.println( str2 );
   }
}

输出

The string value of f is given as:f
The string value of e is given as: e

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Java Character toString() 方法

语法

返回值

示例 1

示例 2

Java Character toString(char c) 方法

语法

参数

返回值

示例 1

示例 2

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Java Character toString() 方法

语法

返回值

示例 1

示例 2

Java Character toString(char c) 方法

语法

参数

返回值

示例 1

示例 2

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