using class in java
public class HelloWorld {
public static void main(String[] args) {
// how to use class in java
class User{
int score;
}
User dave = new User();
dave.score = 20;
System.out.println(dave.score);
}
}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());using class in java
public class HelloWorld {
public static void main(String[] args) {
class Number{
int number;
public boolean isPos(){
if(number > 0){
return true;
} else {
return false;
}
}
}
Number myNumber = new Number();
myNumber.number = 7;
if(myNumber.isPos()){
System.out.println(myNumber.number + " is positive!!!");
} else {
System.out.println(myNumber.number + " is not positive!!!");
}
}
}using class in java
public class HelloWorld {
public static void main(String[] args) {
// how to use class in java
class User{
int score;
// method that can be used outside the class
public boolean hasWon(){
if(score >= 100){
return true;
} else {
return false;
}
}
}
User dave = new User();
dave.score = 20;
System.out.println(dave.hasWon());
}
}Copyright © 2021 Codeinu
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