double keyword in java
In Java, ” double
” is a primitive type.
A double variable stores a double−precision 64-bit floating point value.
Examples
double ratio = .01
;
double diameter = 6.15
;
double height = 1.35E03
; // 1.35 * 103 or 1350.0
double height = 1e−2
; // 1.0 * 10−2 or 0.01
The double keyword can be used as a method parameter as below:
- public void displayMarks(double marks) {
- System.out.println("Total percentage marks "+marks);
- }
public void displayMarks(double marks) { System.out.println("Total percentage marks "+marks); }
The double
keyword can be used as a return type of a method as well:
- public double getMarks() {
- return 94.5;
- }
public double getMarks() { return 94.5; }