Answers for "java array get index by value"

how to get elements by index java

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

how to get array index value into variable in java

String zz = aa[5];

java indexof array

java.util.Arrays.asList(theArray).indexOf(o)

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;
}