Conversion between primitive types and string in Java

1. Basic type----->String

1. toString() method of packaging class; such as: Short.toString(c);

2.String The valueOf() method of the class; such as:

2. String----->Basic type

1. The parseInt(str) method of the packaging class; such as: Integer.parseInt (str);

2. Valueof(str) method of packaging class; such as: Inteer.valueOf(str)

3. Code demonstration:

Test class: Test Code:

package com.bluesky;  
  
public class Test {  
  
    public static void main(String[] args) {  
          
        String str = "1314520";  
          
        int love = 520;  
          
        //基本类型转换字符串  
        String str1=Integer.toString(love); //利用包装类的toString()方法；  
        String str2=String.valueOf(love);   //利用String类的valueOf()方法；  
        System.out.println("str1="+str1);  
        System.out.println("str2="+str2);  
          
        //字符串转换基本类型  
        int love1=Integer.parseInt(str);   //利用包装类的parseInt()方法；  
        int love2=Integer.valueOf(str);    //利用包装类的valueOf()方法；  
        System.out.println("love1="+love1);  
        System.out.println("love2="+love2);  
          
                  
  
    }  
  
}

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