Convert String To Float

In this section, you will learn to convert a numeric type string value into a float.

Convert String To Float

In this section, you will learn to convert a numeric type string value into a float.

Convert String To Float

Convert String To  Float 

     

In this section, you will learn to convert a numeric type string value into a float. 

Code Description:

This program takes a numeric type string at the console. The valueOf() method takes a string type parameter and returns a float object. And the floatValue() method returns the float value of this float object. Finally, we get the float type data.

Float.valueOf(): This is the method that takes a string type value and returns a float object. If the string is null, then a NullPointerException is thrown.

floatValue(): This method returns the float value of this float object.

Here is the code of this program:

import java.io.*;
import java.lang.*;

public class StringToFloat{
  public static void main (String[] args) throws IOException{
  BufferedReader reader = 
  new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Enter the numeric type string value:");
  String str = reader.readLine();
  try{
  float f = Float.valueOf(str.trim()).floatValue();
  System.out.println("Float value is: = " + f);
  }
  catch (Exception e){
  System.out.println("Exception: " + e.getMessage());
  }
  }
}

Download of this program:

Output of this program given below.

C:\corejava>java StringToFloat
Enter the numeric type string value:
50
Float value is: = 50.0
C:\corejava> _

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