a 2d array is just an array of 1d arrays of a type. You will have to search each of the inner arrays.<BR><BR> <B>IF</B> the 1d array is sorted, you can use the binary search from java.util.Arrays ...

This Java program calculates and prints the sum of each row and each column in a given 2D integer array. calculateAndPrintRowSums(int[][] arr): This method calculates and prints the sum of each row in ...

Often times, when working with arrays, we may want to find the sum of all the elements in the array. This can be accomplished easily using a for-loop and a variable to keep track of the sum.