How to convert String to Integer and Integer to String in java

7 Jan 2025 | 1 分钟阅读

以下是演示该功能的程序。

文件：ConvertStringToInteger.java

public class ConvertStringToInteger {
	public static void main(String[] args) {
	    //1st way
		String str1 = "5";
		int result = Integer.parseInt(str1); // Using Integer.parsrInt()
		System.out.println(result);
 
        //2nd way
		String str2 = "5";
		Integer result2 = Integer.valueOf(str2); // Using Integer.valueOf()
		System.out.println(result2);
 
	}
}

输出

5
5

文件：ConvertIntegerToString.java

public class ConvertIntegerToString{
	public static void main(String[] args) {
 
		int x = 5;
		//1st way
		String str = Integer.toString(x); // using Integer.toString()
		System.out.println(str);
 
        //2nd way
        String str2 = String.valueOf(x); // using String.valueOf()
		System.out.println(str2);

	}
}

输出

5
5

下一主题Java 程序检查数字是正数还是负数

← 上一个下一个 →

How to convert String to Integer and Integer to String in java

联系信息

关注我们

教程

面试题

在线编译器

Python

Java

.Net Framework

AI, ML and Data Science

Cloud Technology

B.Tech and MCA

Web Technology

PHP

Software Testing

Technical Interview

Java Interview

Python

Web Interview

Database Interview

B.Tech / MCA

Important Interview

Software Testing Interview

Company Interviews

Online Compilers

Multiple Choice Questions

Java Conversion

Java Misc

How to convert String to Integer and Integer to String in java

相关帖子

Java BLOB

Convert a Binary Tree to a Threaded Binary Tree in Java

Array to List in Java

Java 中的多线程场景

Steps By Knight Problem in Java

Java 中的重复类错误

Java 中复选框和单选按钮的区别

Rust vs. Java

Java 静态字段初始化

Java BF

订阅 Tpoint Tech

联系信息

关注我们

教程

面试题

在线编译器