Java/practice1.java at master · neha089/Java · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
//TODO:sum of three num
// import java.util.Scanner;

// public class practice1 {
// public static void main(String[]args) {


//     int num,num1,num2;

//     Scanner s= new Scanner(System.in);  //! here is scannner is a class system.in is a method
//     num=s.nextInt();                   //? nextInt is a method
//     num1=s.nextInt();
//     num2=s.nextInt();
//      System.out.println(num+num1+num2);

// }
// }
    //TODO : count percentage of 5 sub
// import java.util.Scanner;     //! must require to access scanner class

// public class practice1 {
// public static void main(String[]args) {


//     int marks;
//     int sum=0;
//     Scanner s= new Scanner(System.in);  //! here is scannner is a class system.in is a method  and we creat object s to acces this class
//                  //? nextInt is a method
//     for(int i=0;i<5;i++){
//         marks=s.nextInt();
//         sum+=marks;

//     }
//     float per=sum/5;
//      System.out.println(per+"%");

// }
// }
//  //TODO : take user name and greeting them
// import java.util.Scanner;     //! must require to access scanner class

// public class practice1 {
// public static void main(String[]args) {
//     String name;
//     Scanner s= new Scanner(System.in);
//     name=s.next();
//     System.out.println(name+" "+" hello ... good morning ");

// }
// }
   //TODO : convert kilometer to miles
// import java.util.Scanner;     //! must require to access scanner class

// public class practice1 {
// public static void main(String[]args) {
//     float kilo_m,miles;
//     Scanner s= new Scanner(System.in);
//     kilo_m=s.nextFloat();
//     System.out.println(kilo_m*0.62);

// }
// }
//TODO : check number is integer or not
import java.util.Scanner;     //! must require to access scanner class

public class practice1 {
public static void main(String[]args) {
 int n;
    Scanner s= new Scanner(System.in);
    //n=s.nextInt();
    System.out.println(s.hasNextInt()); //! hsNextInt() method use for check number is int or not

}
}