CAO SVIMA,
PISEM SVOJ PRVI OZBILJNIJI PROGRAM U JAVI I
IMAM JEDAN PROBLEM SASVIM JEDNOSTAVNE PRIRODE.
AKO JE DEKLARACIJA PROMENLJIVIH SLEDECA:
int[] x,y,xw,yh;
SLEDECA, JEDNOSTAVNA STVAR MI PRAVI NULL POINTER EXCEPTION
x[0] = 0;
HELP ME!!!
OS : SuSE Linux 8.1
JRE i SDK 1.4.2
a, inace sledeca komanda savrseno radi:
for (int i=0; i == 10; i++){
i=0;
}
a, ako nekog zanima evo cele greske:
java.lang.NullPointerException
at asd.buildControl(asd.java:157)
at asd.actionPerformed(asd.java:135)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:245)
at java.awt.Component.processMouseEvent(Component.java:5100)
at java.awt.Component.processEvent(Component.java:4897)
at java.awt.Container.processEvent(Container.java:1569)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Container.dispatchEventImpl(Container.java:1627)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
at java.awt.Container.dispatchEventImpl(Container.java:1613)
at java.awt.Window.dispatchEventImpl(Window.java:1606)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)