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Chapter 1 Practise set

  package com.company; import java.util.Scanner; import java.util.concurrent.atomic.DoubleAccumulator; public class Practiceset1 {   public static void main ( String[] args ) { //Question 1 Calculate sum of 3 numbers /*System.out.println("Sum of three numbers");    float a,b,c,s; System.out.println("First Number");      Scanner sc = new Scanner(System.in);       a = sc.nextFloat();     System.out.println("Second Number");      b = sc.nextFloat();      System.out.println("Third Number");      c = sc.nextFloat();      s = a + b + c;      System.out.println("The sum is");       System.out.println(s);*/     //Question 2 Calculate CGPA     /*float subject1 = 82;     float subject2 = 80;     float subject3 =...
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Percentage Calculator with user input

Method 1  package com.company; import java.util.Scanner; public class CBSEperccalcMB {   public static void main(String[] args) {         System.out.println("CBSE Board Percentage Calculator");        Scanner sc = new Scanner(System.in);        float s1,s2,s3,s4,s5,m,t,n,P;       System.out.println("Enter Marks Subject ");     s1 = sc.nextFloat();   System.out.println("Enter Marks number 2");     s2 = sc.nextFloat();   System.out.println("Enter Marks Subject 3");      s3 = sc.nextFloat();    System.out.println("Enter Marks Subject 4");      s4 = sc.nextFloat();    System.out.println("Enter Marks Subject 5");       s5 = sc.nextFloat();     System.out.println("Enter Max Marks per Subject");       m = sc.nextFloat();    t = s1+s2+s3+s4+s5;    n = m*5;   ...
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Literals in Java

  package com.company; public class mbliteral {   public static void main ( String[] args ) {   byte age = 33 ;   int age2 = 33 ;   short age3 = 35 ;   long Milan = 33333333333L ;   char ch = 'M' ;   float f = 3 . 3f ;   double d = 3 . 33 ;   boolean a = true ;   System.out. println ( age ) ;   System.out. println ( age2 ) ;   System.out. println ( age3 ) ;   System.out. println ( Milan ) ;   System.out. println ( f ) ; System.out. println ( d ) ; System.out. println ( a ) ; String str = "Milan" ; System.out. println ( str ) ;   } }
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Getting Input from User in Java

  package com.company; import java.util.Scanner; public class userinput {   public static void main ( String[] args ) { // how to take input from keyboard //   System.out.println("Taking Input From The User");    // Scanner sc = new Scanner(System.in);    // System.out.println("Enter number 1");   //  int a = sc.nextInt();   //  System.out.println("Enter number 2");   //   int b = sc.nextInt();   //   int sum = a + b;     // System.out.println("The Sum Of These numbers is"); //    System.out.println(sum);         // System.out.println("Taking Input From The User for percentage");   //   System.out.println("Enter number 1");   //  float c = sc.nextFloat();   //  System.out.println("Enter number 2"); //     float d = sc.nextFloat();     // flo...
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