Java Program to Convert String to Integer

Conversions

Java Program to Convert String to Integer

A Java program to convert a String to an Integer.

Problem Description

Write a Java program to convert a String to an Integer.

Code

StringToInteger.java

public class StringToInteger {
    public static void main(String[] args) {
        String str = "1234";
        int num = Integer.parseInt(str);
        int num2 = Integer.valueOf(str);

        System.out.println("Using Integer.parseInt(): " + num);
        System.out.println("Using Integer.valueOf(): " + num2);
    }
}

Output

Using Integer.parseInt(): 1234
Using Integer.valueOf(): 1234

Explanation

Integer.parseInt(): Returns primitive int.
Integer.valueOf(): Returns Integer object.

Java Program to Convert Number to Word

A Java program to convert a given number into words.

Java Program to Convert Integer to String

A Java program to convert an Integer to a String.