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 ...
A brief introduction to 2D arrays in Java with example code. A 2D array is visualized an an array of arrays being similar in conceptual structure as an Excel spreadsheet.