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public class Matrix {
static int[][] matrix = {
{ 1, 2, 3},
{ 4, 5, 6},
{ 7, 8, 9},
{10, 11, 12}
};
public static boolean gleich(int[] a1, int[] a2) {
boolean ergo = true;
if (a1.length== a2.length){
for (int i=0; i<a1.length;i++){
if (!(a1[i]== a2 [i])) {
ergo = false;
break;
}
}
}
return ergo;
}
public static boolean enthaeltSpalte(int[][] matrix, int[] spalte) {
boolean ergo = true;
if (matrix.length== spalte.length){
for (int i=0; i<matrix[0].length; i++){
ergo= true;
for (int y=0; y<matrix.length; y++){
if( !(matrix [y][i]== spalte [y])) { }
ergo = false;
break;
}
}
}
return ergo;
}
public static boolean enthaeltZeile(int[][] matrix, int[] zeile) {
boolean ergo = true;
if (matrix[0].length== zeile.length){
for (int i=0; i<matrix.length; i++){
ergo= true;
for (int y=0; y<matrix.length; y++){
if( !(matrix [i][y]== zeile [y])){
ergo = false;
break;
}
}
}
}
return ergo;
}
public static int[][] transponieren(int[][] matrix) {
int [][] t= new int [matrix[0].length][matrix.length];
for (int i=0; i<matrix[0].length; i++){
for (int y=0; y<matrix.length; y++){
t[i][y]= matrix [y][i];
}
}
return t;
}
public static void main(String[] args) {
System.out.println("gleich({1,2,3}, {1,2,3}): "
+ gleich(new int[]{1, 2, 3}, new int[]{1, 2, 3})); // true
System.out.println("enthaeltZeile(matrix, {1,2,3}): "
+ enthaeltZeile(matrix, new int[]{1, 2, 3})); // true
}
}
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