creating an object from a class in java code example
Example 1: how to make an objec tjava
class Puppy() {
String name;
int age;
Puppy(String puppy_name, int puppy_age) {
name = puppy_name;
age = puppy_age;
}
public static void main(String[] args) {
Puppy rex = new Puppy("rex",4);
}
}
Example 2: using class in java
class Number {
int number;
// square numbers
public boolean isSquare(){
double squareRoot = Math.sqrt(number);
if(squareRoot == Math.floor(squareRoot))
{
return true;
} else {
return false;
}
}
// triangular numbers
public boolean isTriangular(){
int x = 1;
int triangularNumber = 1;
while(triangularNumber < number){
x++;
triangularNumber = triangularNumber + x;
}
if(triangularNumber == number){
return true;
} else {
return false;
}
}
}
// testing
Number myNumber = new Number();
myNumber.number = 16;
System.out.println(myNumber.isSquare());