pls help me convert this code to java

class Test

{ char Paper[20];

int Marks

public:

Test() //Function 1

{ strcpy(Paper,Computer);

Marks=0;

}

//Function 2

Test(char P[])

{ strcpy(Paper,P);

Marks=0;

}

//Function 3

Test(int M)

{ strcpy(Paper,Computer);

Marks=M;

}

Test(char P[],int M) //Function 4

{ strcpy(Paper,P);

Marks=M;

}

};