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Write a program called twoDArray.java that demonstrates two dimensional arrays 2 Dimensional Arrays A two dimensional array is an array of arrays. 2 Dimensional Arrays
Write a program called twoDArray.java that demonstrates two dimensional arrays
2 Dimensional Arrays A two dimensional array is an array of arrays. 2 Dimensional Arrays A two dimensional array is an array of arrays. DataType[][ArrayName=newint[][];2DArrayDataType[][[]ArrayName=newint[][][];3DArray 2 Dimensional Arrays two dimensional array is an array of arrays. Declaring a two dimensional array: DataType [][] ArrayName ={{ value1, value2 },{ value 3 , value 4}}; DataType [][] ArrayName = new int [ row ][ col ]; int [][] countingNums ={{1,2,3},{4,5,6}} int [][] countingNums = new int [3] [3]; Empty 2D Array 2 Dimensional Arrays To find the size of a 2D Array, multiply the dimensions of the 2D Array: int[][]2DIntegerArray=newint[3][4];int[][]2DintegerArray=newint[10][5]; What is the size of the 2D Array? 2 Dimensional Arrays Accessing elements in a two dimensional array: int[][]countingNums={{1,2,3},{4,5,6}} Datatype variable = arrayName [ row ][ col ]; int x= countingNums [0][1]; What will print? 2 Dimensional Arrays Initializing: int [][] countingNums ={{1,2,3},{4,5,6}} arrayName [ row ][col]= value; countingNums [0] [1] = 20; System.out.println("The value at [0][1] is: " + countingNums [0] [1]); What will print? 2 Dimensional Arrays Traversing elements in a two dimensional array: 2 Dimensional Arrays Traversing elements in a two dimensional array: int [][] countingNums ={{1,2,3},{4,5,6}} for (int i=0;iStep by Step Solution
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