How to convert String to int in java

What you will learn here about java conversion

  • How to convert String to byte in java
  • How to convert String to short in java
  • How to convert String to int in java
  • How to convert String to long in java
  • How to convert String to float in java
  • How to convert String to double in java
  • How to convert String to boolean in java

How to convert String to byte in java

The example of how to convert String to byte in java is given below

public class String2Byte{

	public static void main(String[] args)
	{
		String value="10";
		byte number=Byte.parseByte(value);
		
		System.out.println("byte representation of \""+value+"\" is "+number);
	}
}

OUTPUT

byte representation of “10” is 10

How to convert String to short in java

The example of how to convert String to short in java is given below

public class String2Short {

	public static void main(String[] args)
	{
		String value="100";
		short number=Short.parseShort(value);
		
		System.out.println("short representation of \""+value+"\" is "+number);
	}
}

OUTPUT

short representation of “100” is 100

How to convert String to int in java

The example of how to convert String to int in java is given below

public class String2Int {

	public static void main(String[] args)
	{
		String value="10";
		int number=Integer.parseInt(value);
		
		System.out.println("Interger representation of \""+value+"\" is "+number);
	}
}

OUTPUT

Interger representation of “10” is 10

How to convert String to long in java

The example of how to convert String to long in java is given below

public class String2Long {

	public static void main(String[] args)
	{
		String value="100000";
		long number=Long.parseLong(value);
		
		System.out.println("long representation of \""+value+"\" is "+number);
	}
}

OUTPUT

long representation of “100000” is 100000

How to convert String to float in java

The example of how to convert String to float in java is given below

public class String2Float {

	public static void main(String[] args)
	{
		String value="10.00";
		float number=Float.parseFloat(value);
		
		System.out.println("float representation of \""+value+"\" is "+number);
	}
}

OUTPUT

float representation of “10.00” is 10.0

How to convert String to double in java

The example of how to convert String to double in java is given below

 
public class String2Double {

	public static void main(String[] args)
	{
		String value="100.0003";
		double number=Double.parseDouble(value);
		
		System.out.println("double representation of \""+value+"\" is "+number);
	}
}

OUTPUT

double representation of “100.0003” is 100.0003

How to convert String to boolean in java

The example of how to convert String to boolean in java is given below

 
public class String2Boolean {

	public static void main(String[] args)
	{
		String value="true";
		boolean number=Boolean.parseBoolean(value);
		
		System.out.println("boolean representation of \""+value+"\" is "+number);
	}
}

OUTPUT

boolean representation of “true” is true

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