Java Integer.toString() - Syntax & Examples
[Pages:6]Java Integer.toString() ? Syntax & Examples
Java Integer.toString() ? Examples
In this tutorial, we will learn about Java Integer.toString(), Integer.toString(int) and Integer.toString(int, radix) methods, and learn how to use these method to get the string representation of given integer, with the help of examples.
toString()
Integer.toString() returns a String object representing this Integer's value.
Syntax
The syntax of toString() method is
Integer.toString()
Returns
The method returns value of type String.
Example 1 ? toString()
In this example, we will take an integer object and get its string value using Integer.toString() method. Java Program
public class Example { public static void main(String[] args){ Integer integer = 5; String result = integer.toString(); System.out.println("Result of toString() = " + result); }
} Output
Result of toString() = 5
toString(int i)
Integer.toString(i) returns a String object representing the specified integer i .
Syntax
The syntax of toString() method with int as parameter is
Integer.toString(int i) where
Parameter Description
i
The integer whose string representation has to be found.
Returns The method returns value of type String.
Example 2 ? toString(int i)
In this example, we will take an int i and get its string value by passing this int value as argument to Integer.toString() method.
Java Program
public class Example { public static void main(String[] args){ int i = 5; String result = Integer.toString(i); System.out.println("Result of toString(" + i + ") = " + result); }
}
Output
toString(int i)
toString(int i, int radix)
Integer.toString(i, radix) returns a string representation of the first argument i in the radix specified by the second argument radix .
Syntax
The syntax of toString() method with integer and radix as parameters is
Integer.toString(int i, int radix) where
Parameter Description
i
The integer whose string representation has to be found.
radix
The radix value.
Returns The method returns value of type String.
Example 3 ? toString(i, radix)
In this example, we will string representation of an integer i = 24 in the radix specified by the specified radix = 3 .
Java Program
public class Example { public static void main(String[] args){ int i = 24; int radix = 3; String result = Integer.toString(i, radix); System.out.println("Result of toString(" + i + ", " + radix + ") = " + result); }
}
Output Result of toString(24, 3) = 220
Example 4 ? radix = 16 : Hexadecimal
In this example, we will string representation of an integer i = 24 in the radix specified by the specified radix = 16 . The value of radix is 16 which means we will get hexadecimal representation.
Java Program
public class Example { public static void main(String[] args){ int i = 24; int radix = 16; String result = Integer.toString(i, radix); System.out.println("Result of toString(" + i + ", " + radix + ") = " + result); }
}
Output
Result of toString(24, 16) = 18
Conclusion
In this Java Tutorial, we have learnt the syntax of Java Integer.toString() method, and also how to use this method with the help of Java example programs.
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