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Arrays
Array declaration : 1. int A[] = {1,2,34,9}; 2. int [] A = {1,2,34,9}; 3. int A[] = new int [n]; later array elements can be inserted
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palindrome of a String
import java . util .*; class Str_Palindrome { public static void main ( String [] args ) { Scanner sc = new Scanner ( System . in ); String str = sc . next (); boolean flag = true ; for ( int idx = 0 ; idx < str . length (); idx ++){ if ( str . charAt ( idx )!= str . charAt ( str . length ()- idx - 1 )){ flag = false ; break ; ...
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