NetBeans помогите написать библиотеку на java - Компьютерный форум OSzone.net

Код:

package com.mycompany;

import net.sf.jasperreports.engine.JRDefaultScriptlet;

import net.sf.jasperreports.engine.JRScriptletException;

import java.util.*;

public class MyScriptlet extends JRDefaultScriptlet {

 

 public int getWeekNumber(string mydate) {

 

int d = integer.parseint(mydate.substring(1,2));

int m = integer.parseint(mydate.substring(4,5));

int y = integer.parseint(mydate.substring(7,10));

 

 

int a = (14 - M) / 12;

int y = Y + 4800 - a;

int m = M + 12 * a - 3;

int J = D + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 32045;

int d4 = (J + 31741 - (J % 7)) % 146097 % 365224 % 1461;

int L = d4 / 1460;

int d1 = ((d4 - L) % 365) + L;

int WN = d1 / 7 + 1;

return WN;

 }

}

При компиляции данного кода выходят следующие сообщения об ошибке.

init:
Deleting: /home/frolov/NetBeansProjects/scriptlet/build/built-jar.properties
deps-jar:
Updating property file: /home/frolov/NetBeansProjects/scriptlet/build/built-jar.properties
Compiling 2 source files to /home/frolov/NetBeansProjects/scriptlet/build/classes
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:5: class MyScriptlet is public, should be declared in a file named MyScriptlet.java
public class MyScriptlet extends JRDefaultScriptlet {
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet2.java:5: class MyScriptlet is public, should be declared in a file named MyScriptlet.java
public class MyScriptlet extends JRDefaultScriptlet {
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:7: cannot find symbol
symbol : class string
location: class com.mycompany.MyScriptlet
public int getWeekNumber(string mydate) {
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:9: cannot find symbol
symbol : variable integer
location: class com.mycompany.MyScriptlet
int d = integer.parseint(mydate.substring(1,2));
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:10: cannot find symbol
symbol : variable integer
location: class com.mycompany.MyScriptlet
int m = integer.parseint(mydate.substring(4,5));
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:11: cannot find symbol
symbol : variable integer
location: class com.mycompany.MyScriptlet
int y = integer.parseint(mydate.substring(7,10));
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:14: cannot find symbol
symbol : variable M
location: class com.mycompany.MyScriptlet
int a = (14 - M) / 12;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:15: y is already defined in getWeekNumber(string)
int y = Y + 4800 - a;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:15: cannot find symbol
symbol : variable Y
location: class com.mycompany.MyScriptlet
int y = Y + 4800 - a;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:15: operator - cannot be applied to <nulltype>,int
int y = Y + 4800 - a;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:16: m is already defined in getWeekNumber(string)
int m = M + 12 * a - 3;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:16: cannot find symbol
symbol : variable M
location: class com.mycompany.MyScriptlet
int m = M + 12 * a - 3;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:16: operator - cannot be applied to <nulltype>,int
int m = M + 12 * a - 3;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:17: cannot find symbol
symbol : variable D
location: class com.mycompany.MyScriptlet
int J = D + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 32045;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:17: operator + cannot be applied to <nulltype>,int
int J = D + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 32045;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:17: operator + cannot be applied to <nulltype>,int
int J = D + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 32045;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:17: operator - cannot be applied to <nulltype>,int
int J = D + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 32045;
/home/frolov/NetBeansProjects/scriptlet/src/com/mycompany/myscriptlet.java:17: operator - cannot be applied to <nulltype>,int
int J = D + (153 * m + 2) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 32045;
18 errors
/home/frolov/NetBeansProjects/scriptlet/nbproject/build-impl.xml:413: The following error occurred while executing this line:
/home/frolov/NetBeansProjects/scriptlet/nbproject/build-impl.xml:199: Compile failed; see the compiler error output for details.
BUILD FAILED (total time: 0 seconds)

В java новичек, помогите разобраться

Вот скриншок самого NetBeans

http://hostingkartinok.com/show-imag...940af0cece5d7c

http://hostingkartinok.com/show-imag...940af0cece5d7c