Big Data-java Foundation -4day

4th Day

-------------------------

Transpose of the array:

1, the precondition is that the two-dimensional array is a square, that is, n rows n columns.

/**

* Transpose of two-dimensional data

*/

public class Arraytransdemo {

public static void Main (String [] args) {

String[][] arr = {{"A", "B", "C", "D", "E"},{"F", "G", "H", "I", "J"},{"K", "L", "M", "N", "O"},{"P", "Q", "R", "s", "T"},{"U", "V" "," W "," X "," Y "}};

Print (arr);

SYSTEM.OUT.PRINTLN ("------------------------------after transpose");

Trans (arr);

Print (arr);

}

private static string [] trans (string [] arr) {

for (int i = 0; i < arr.length; i++) {

for (int j = 0; J < Arr[i].length; J + +) {

if (J > i) {

String temp = "";

temp = Arr[i][j];

ARR[I][J] = Arr[j][i];

Arr[j][i] = temp;

}

}

}

return arr;

}

private static void Print (String [] arr) {

for (int i = 0; i < arr.length; i++) {

for (int j = 0; J < Arr[i].length; J + +) {

System.out.print (Arr[i][j] + "\ t");

}

System.out.println ();

}

}

}

/**

* Three-dimensional array printing

*/

public class Array3printdemo {

public static void Main (string[] args) {

int [][][] arr = {{{1,2,3},{4,5,6},{7,8,9}},{{10,11,12},{13,14,15},{16,17,18}},{{19,20,21},{22,23,24},{25,26,27}}} ;

Print (arr);

}

private static void print (int [][][] arr) {

for (int i = 0; i < arr.length; i++) {

for (int j = 0; J < Arr.length; J + +) {

for (int k = 0; k < arr.length; k++) {

System.out.print (Arr[j][i][k] + "\ t");

}

System.out.print ("|\t");

}

System.out.println ();

}

}

}

Big Data-java Foundation -4day