java scanner example

1import java.util.Scanner;
2
3// import scanner 
4
5Scanner myScanner = new Scanner(System.in); // Make scanner obj
6
7String inputString = myScanner.nextLine(); // Take whole line
8
9boolean inputBoolean = myScanner.nextBoolean(); //Boolean input
10
11long inputLong = myScanner.nextLong(); //Interger,long ... input

1import java.util.Scanner;		//Import Scanner in java
2
3class classname{
4  public void methodname(){
5    Scanner s_name = new Scanner(System.in);	//Scanner declaration
6    //Use Scanner object to take input
7    int val1    =  s_name.nextInt();			//int
8    float val2  =  s_name.nextFloat();			//float
9    double val3 =  s_name.nextDouble();			//double
10    string name =  s_name.nextLine();			//string
11    char ch     =  s_name.nextLine().charAt(0);	//character
12  }}

1import java.util.Scanner;
2
3Public class Scanner {
4	Public static void main(String[] args) {
5    	// Scanner *scanner name here* = new Scanner(System.in);
6      	Scanner scan = new Scanner(System.in);
7      	System.out.println("Type anything and the scanner will take that input and print it");
8      	String next = scan.next();
9      	System.out.println(next);
10    } 
11}

1import java.util.Scanner;//import Scanner
2
3Scanner input=new Scanner(System.in);//Create the scanner Obj
4
5float numF = input.nextFloat();//Returns float
6int num1 = input.nextInt(); //Returns int
7byte byte1 = input.nextByte();//Returns Byte
8long lg1 = input.nextLong();//Returns long
9boolean b1 = input.nextBoolean();//Returns bool
10double num2 = input.nextDouble();//Returns Double
11String nome = input.nextLine();//Returns String
12
13//execution is pause until you give input
14
15

1// import Scanner
2import java.util.Scanner;
3
4// Initialize Scanner
5Scanner input = new Scanner(System.in);
6
7// Test program with Scanner
8System.out.println("What is your name?");
9String name = input.nextLine();
10
11System.out.println("Hello," + name + " , it is nice to meet you!");

1import java.util.Scanner;
2public class AddTwoNumbers2 {
3
4    public static void main(String[] args) {
5        
6        int num1, num2, sum;
7        Scanner sc = new Scanner(System.in);
8        System.out.println("Enter First Number: ");
9        num1 = sc.nextInt();
10        
11        System.out.println("Enter Second Number: ");
12        num2 = sc.nextInt();
13        
14        sc.close();
15        sum = num1 + num2;
16        System.out.println("Sum of these numbers: "+sum);
17    }
18}
19
20Output: