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How to Convert a Float value to String value in Java with Examples
  • Last Updated : 30 Jan, 2020

Given a Float value in Java, the task is to convert this float value to string type.

Examples:

Input: 1.0
Output: "1.0"

Input: 3.14
Output: "3.14"

Approach 1: (Using + operator)
One method is to create a string variable and then append the float value to the string variable. This will directly convert the float value to a string and add it in the string variable.

Below is the implementation of the above approach:

Example 1:






// Java Program to convert float value to String value
  
class GFG {
  
    // Function to convert float value to String value
    public static String convert
    FloatToString(float floatValue)
    {
  
        // Convert float value to String value
        // using + operator method
        String stringValue = "" + floatValue;
  
        return (stringValue);
    }
  
    // Driver code
    public static void main(String[] args)
    {
  
        // The float value
        float floatValue = 1;
  
        // The expected string value
        String stringValue;
  
        // Convert float to string
        stringValue = convertFloatToString(floatValue);
  
        // Print the expected string value
        System.out.println(
            floatValue
            + " after converting into string = "
            + stringValue);
    }
}
Output:
1.0 after converting into string = 1.0

Approach 2: (Using String.valueOf() method)
The simplest way to do so is using valueOf() method of String class in java.lang package. This method takes the float value to be parsed and returns the value in String type from it.

Syntax:

String.valueOf(floatValue);

Below is the implementation of the above approach:

Example 1:




// Java Program to convert float value to String value
  
class GFG {
  
    // Function to convert float value to String value
    public static String
    convertFloatToString(float floatValue)
    {
  
        // Convert float value to String value
        // using valueOf() method
        return String.valueOf(floatValue);
    }
  
    // Driver code
    public static void main(String[] args)
    {
  
        // The float value
        float floatValue = 1;
  
        // The expected string value
        String stringValue;
  
        // Convert float to string
        stringValue = convertFloatToString(floatValue);
  
        // Print the expected string value
        System.out.println(
            floatValue
            + " after converting into string = "
            + stringValue);
    }
}
Output:
1.0 after converting into string = 1.0

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