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+indexof(ch:char)

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Return type int. Returns the index of the first occurrence of ch in the string. Returns-1 if not matched. import java.lang.String; class indexof{                         public static void main(String[] args){                          String str="Welcome to java";                         int i="welcome".indexOf('l');                        System.out.println("Index of l in \" "+str+"\"  is : "+i);                      } } Output :    Index of l in "Welcome to java is : 2
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Double Linked List-C++....

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#include <iostream> #include <conio.h> using namespace std; struct node     {      int data;      node *prev, *next;     }*q, *temp, *start=NULL; int c1, c2 ; void create(); void display(); void insert(); void del(); int  main() {       while(1)     {                   cout <<" \t\t ******* MAIN MENU ******\n" ;                 cout <<"Press 1 for adding data \n" ;                 cout <<"Press 2 for displaying data \n" ;                 cout <<"Press 3 for insertion \n" ;                 cout <<"Press 4 for deletion \n" ;                 cout <<"Press 0 for exit\n\nAns. " ;     ...
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How to initialize an array.

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#include<iostream> #include<conio.h> using namespace std; int main() { int array[10]; //an array of 10 same data type elements cout<<"Enter 10 elements : "; for(int i=0;i<10;i++)              // for loop to for getting values for array 10 times { cin>>array[i];            //getting values form user } cout<<"10 elements you enterd are: "; for(int i=0;i<10;i++) { cout<<array[i]<<"   ";       //printing all entered values } getch(); return 0; }
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