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 ...

Given a graph that contains N nodes and also contains some directed edges (tail -> head) that connect some nodes to others. Then, using a NxN 2D-array, we can represent the graph in the following way: ...