programming-examples/java/_Basics/Arrays of arrays.java
2019-11-15 12:59:38 +01:00

33 lines
876 B
Java

Arrays of arrays
public class ArraysOfArrays {
public static void main( String[] args ) {
// creates an array of integer arrays
// note that the column sizes are jagged, that is,
// of different sizes
int[][] matrix =
{
{1, 2, 4},
{2, 4},
{5, 6, 7, 8, 9}
};
// cycle through the array, and output its contents
for( int i = 0; i < matrix.length; i++ ) {
for( int j = 0; j < matrix[i].length; j++ ) {
System.out.println( "matrix[" + i + "][" + j + "] = " + matrix[i][j] );
}
}
// specify array of strings
String[][] anotherMatrix =
{
{"hello"},
new String[]{"hello", "world"}, /* note, embed new arrays here */
{"the", "quick", "brown", "fox"}, /* note, comma can be added here */
};
}
}