CHALLANGE SWITCH STATEMENT

 Create a new switch statement using char instead of int.
     "     "    ''      char varia

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NUMBER PALINDROME CHALLENGE

  package com.cnc ; public class Main { public static void main ( String [] args) { System . out .println( isPalindrome ( 101 )); } public static boolean isPalindrome ( int number) { int reverse = 0 ; int temporaryNumber =number; while (number!= 0 ){ reverse = reverse* 10 + number% 10 ; number = number/ 10 ; } if (reverse== temporaryNumber ) return true ; else return false ; } }
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ENCAPSULATION CHALLENGE

package com.cnc ; public class Main { public static void main ( String [] args) { Printer printer = new Printer( 50 , true ); System . out .println( "Initial Page count is " + printer .getNumberOfPages()); int pagesPrinted = printer .getNumberOfPages( 4 ); } } package com.cnc ; public class Printer { private int tonerLevel = 100 ; private int numberOfPages ; private boolean isDuplex ; public Printer ( int tonerLevel, boolean isDuplex) { if (tonerLevel>=- 1 && tonerLevel<= 100 ) { this . tonerLevel = tonerLevel; } else { this . tonerLevel =- 1 ; } this . isDuplex = isDuplex; this . numberOfPages = 0 ; } public int addToner ( int tonerAmount){ if (tonerAmount> 0 && tonerAmount<= 100 ){ if ( this . tonerLevel +tonerAmount > 100 ){ return - 1 ; } this . tonerLevel += tonerAmount
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LARGEST PRIME FACTOR OF A NUMBER

package com.cnc ; public class Main { public static void main ( String [] args) { System . out .println( getLargestPrime ( 20 )); System . out .println( getLargestPrime ( 7 )); } public static int getLargestPrime ( int number){ int i,stored=number; if (number<= 0 ) return - 1 ; else if ( isPrime (number)){ number=stored; } else { for ( i = 2 ; i < number; i++){ if (number%i== 0 ){ stored=i; } } } return stored; } public static boolean isPrime ( int n){ for ( int j = 2 ; j <n; j ++){ if (n% j == 0 ) return false ; else return true ; } return false ; } } ☑ Here i created a new method isTrue. if the number is prime then the number will return the same as output. but if it is not a prime then it will return the largest number excluding itself.
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