I need help i want to know java language

 If you're serious about becoming a Java programmer and willing to invest some time on learning Java, you can consider studying for SCJP (Sun Certified Java Programmer) certification. There are number of books and online info on SCJP. If you are really new to Java, you'd like to try building some simple programs following instructions at  http://netbeans.org/kb/trails/java-se.html