public class Student {
private String name;
private int weight;
private int high;
private int age;
private int ID;
public Student(String name ,int weight , int high , int age , int ID) {
this.name = name ;
this.weight = weight;
this.high = high;
this.age = age;
this.ID = ID;
}
public int get_weight(){
return this.weight;
}
public void display() {
System.out.println( "NAME: "+this.name);
System.out.println( "WEIGHT:"+this.weight+" kg.");
System.out.println( "HIGH:"+this.high+" cm.");
System.out.println( "AGE :"+this.age+" years old");
System.out.println( "ID :"+this.ID);
}
public static void main(String[] args) {
Student[] std = {new Student("Park",40,160,18,1),
new Student("Nani",50,180,19,2),
new Student("Pepe",80,185,20,3),
new Student("Giggs",70,160,18,4),
new Student("Laws",85,155,18,5)
};
int index = 0;
while(index<std.length){
std[index].display();
index = index + 1;
}
System.out.println("The number of students that have weight less than 50 kg. is "+count_weight(std));
System.out.println( "The minimum weight is " +find_minimum_weight( std)+" kg. ");
}
public static int count_weight(Student[] std){
int index = 0 ;
int count = 0 ;
while(index<std.length){
if(std[index].get_weight()<50){
count +=1 ;
}
index = index + 1 ;
}
return count ;
}
public static int find_minimum_weight(Student[] std){
int index = 0;
int weight = 100;
while(index<std.length){
if(std[index].get_weight()<weight){
weight = std[index].get_weight();
}
index = index + 1;
}
return weight;
}
}
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