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how to get elements by index java

ArrayList<String> list = //List instance
 
String firstElement = list.get(0);         
String sixthElement = list.get(5);       
Comment

get index of element java

// if you're too lazy to do anything fancy
// here's a code snippet for ya

// replace 'TYPE' with whatever type your using
// like 'int' or 'String' for example
public static int indexOf(TYPE[] arr, TYPE element)
{
	for (int index = 0; index < arr.length; index++)
    {
    	if (arr[index] == element)
          	return index;
      	else break;
    }
  	
  	// the '-1' is the unique value to
  	// inform you that no element was found
  	return -1;
}
Comment

get index of element in array java

System.out.println(new String(list).indexOf("e")); 
Comment

java array get index

 public int getArrayIndex(int[] arr,int value) {

        int k=0;
        for(int i=0;i<arr.length;i++){

            if(arr[i]==value){
                k=i;
                break;
            }
        }
    return k;
}
Comment

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