Java Program to Convert int to String

May 26, 2023

What is int in Java ?

“int” is a primitive data type in Java that is used to represent integers (whole numbers) within a certain range of values. The range of values that can be stored by an “int” is from -2^31 to 2^31-1. The “int” data type is commonly used in mathematical operations and to represent arrays of integers.

What is String in Java ?

In Java, the “String” data type is a class that represents a sequence of characters. It is used to store and manipulate text-based data. Unlike primitive data types, such as “int” or “float”, which hold a single value, a String object can hold multiple characters.

Ways to Convert int to String :

1.Using the String.valueOf() method:

Syntax :

int myInt = 123;
String myString = String.valueOf(myInt);

2. Using the Integer.toString() method:

Syntax :

int myInt = 123;
String myString = Integer.toString(myInt);

3. Using concatenation with an empty String:

Syntax :

int myInt = 123;
String myString = "" + myInt;

Example 1 :

Run

public class Main {
    public static void main(String[] args) {
        int myInt = 123;
        String myString = String.valueOf(myInt);
        System.out.println("My int value as a String is: " + myString);
    }
}

Output :

My int value as a String is: 123

Explanation : In this example, we first define an "int" variable named "myInt" and initialize it to the value 123. We then convert the "int" value to a "String" by calling the "String.valueOf()" method, passing in the "myInt" variable as an argument. We assign the resulting "String" object to a variable named "myString".

Example 2 :

Run

public class Main {
    public static void main(String[] args) {
        int myInt = 123;
        String myString = Integer.toString(myInt);
        System.out.println("My int value as a String is: " + myString);
    }
}

Output :

My int value as a String is: 123

Explanation : In this example, we first define an "int" variable named "myInt" and initialize it to the value 123. We then convert the "int" value to a "String" by calling the "Integer.toString()" method, passing in the "myInt" variable as an argument. We assign the resulting "String" object to a variable named "myString".

Example 3 :

Run

public class Main {
    public static void main(String[] args) {
        int myInt = 123;
        String myString = "" + myInt;
        System.out.println("My int value as a String is: " + myString);
    }
}

Output :

My int value as a String is: 123

Explanation : In this example, we first define an "int" variable named "myInt" and initialize it to the value 123. We then concatenate an empty string with the "myInt" variable using the "+" operator. This has the effect of converting the "int" value to a "String". We assign the resulting "String" object to a variable named "myString".

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Java Program to Convert int to String

What is int in Java ?

What is String in Java ?

Ways to Convert int to String :

Syntax :

Syntax :

Syntax :

Example 1 :

Output :

Example 2 :

Output :

Example 3 :

Output :

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