convert in to double java code example

Example 1: string to double java

public class stringtodouble {
	public static void main(String args) {
    	String string = "1.23";
      	double decimal = Double.parseDouble(string);
    }
}

Example 2: string to double java

String text = "12.34";
double value = Double.parseDouble(text);

Example 3: int to double java

Double d= new Double(i);//first way  
Double d2=Double.valueOf(i);//second way

Example 4: int to double java

double d=i;