how to instantiate a 2d array in java code example

Example 1: 2d array java

char[][] array = new int[rows][columns];

Example 2: How to create a 2d array in java

int[][] arr = new int[m][n];

Example 3: declare matrix in java

int[][] multi = new int[5][];
multi[0] = new int[10];
multi[1] = new int[10];
multi[2] = new int[10];
multi[3] = new int[10];
multi[4] = new int[10];

Example 4: how to initialize one dimensional array in java

int[] a; // valid declaration
int b[]; // valid declaration 
int[] c; // valid declaration