Java Convert int to String

We can convert int to String in java using String.valueOf() and Integer.toString() methods. Alternatively, we can use String.format() method, string concatenation operator etc.

Scenario

It is generally used if we have to display number in textfield because everything is displayed as a string in form.

1) String.valueOf()

The String.valueOf() method converts int to String. The valueOf() is the static method of String class. The signature of valueOf() method is given below:

Java int to String Example using String.valueOf()

Let's see the simple code to convert int to String in java.

Let's see the simple example of converting String to int in java.

Output:

300
200100

2) Integer.toString()

The Integer.toString() method converts int to String. The toString() is the static method of Integer class. The signature of toString() method is given below:

Java int to String Example using Integer.toString()

Let's see the simple code to convert int to String in java using Integer.toString() method.

Let's see the simple example of converting String to int in java.

Output:

300
200100

3) String.format()

The String.format() method is used to format given arguments into String. It is introduced since Jdk 1.5.

Java int to String Example using String.format()

Let's see the simple code to convert int to String in java using String.format() method.

Output:

200