Two dimensional Array

[Juukamen]

Been running into some troubble again. here is the code i'm working with to get working

class JavaTest {
	String a;
	private double[][] table1;

	public JavaTest(String a, double t1, double t2) {
		a = a;
		t1 = t1;
		t2 = t2;
	}

}

class Test {
	public static void main(String[] args){
		 double[][] data = {{12, -28}, {20, -12}};
		 JavaTest xxx = new JavaTest("Testing", data);
	 }
 }

give error

G:\Coding\test.java:16: error: constructor JavaTest in class JavaTest cannot be applied to given types;
		 JavaTest xxx = new JavaTest("Testing", data);
		                ^
  required: String,double,double
  found: String,double[][]
  reason: actual and formal argument lists differ in length
1 error

Tool completed with exit code 1

[KevinWorkman]

The JavaTest constructor takes exactly three arguments- a String, a double and a double. You're passing it two values- a String and a 2D array.

[Juukamen]

how do i change the constructor to one 2D array ?

[FallenBlade]

The parameters section of the constructor states 2 doubles, t1 and t2:
public JavaTest(String a, double t1, double t2)

You need to replace those with a double array. double[].

[Juukamen]

thanks for the answers, helped allot. at least this code will compile so i'm hoping it's working also.

class JavaTest {
	String a;
	private double[][] table1;

	public JavaTest(String a, double[][]table2) {
		a = a;

		int t1 = table2.length;
		int t2 = table2[0].length;

		table1 = new double[t1][t2];

		for(int i=0; i<t1; i++) {
			for(int j=0; j<t2; j++) {
				table1[i][j] = table2[i][j];
			}
		}

	}

}

class Test {
	public static void main(String[] args){
		 double[][] data = {{12, -28}, {20, -12}};
		 JavaTest xxx = new JavaTest("Testing", data);
	 }
 }