How to change point by comma in java and type BigDecimal?

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2

I am a beginner in java and am in doubt about type BigDecimal , because it accepts values with points and not with commas. I'm developing software for video rental and I want to save the value of my movie category with comma and not with dot: 

private void btnSalvarActionPerformed(java.awt.event.ActionEvent evt) {                                          

    BigDecimal valor = new BigDecimal(0);

    if (!cmpValor.getText().equals("")) {  
        valor = new BigDecimal(cmpValor.getText());  
    }  
    if(cmpDescricao != null) {
        categoriaController.salvar(cmpDescricao.getText(), valor);
    }
}

When I type the value of the category with a comma, my application generates an error: 

Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException
    at java.math.BigDecimal.<init>(BigDecimal.java:494)
    at java.math.BigDecimal.<init>(BigDecimal.java:383)
    at java.math.BigDecimal.<init>(BigDecimal.java:806)
    at view.VideoCategoria.btnSalvarActionPerformed(VideoCategoria.java:206)
    at view.VideoCategoria.access$000(VideoCategoria.java:20)
    at view.VideoCategoria$1.actionPerformed(VideoCategoria.java:66)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
    at java.awt.Component.processMouseEvent(Component.java:6527)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
    at java.awt.Component.processEvent(Component.java:6292)
    at java.awt.Container.processEvent(Container.java:2234)
    at java.awt.Component.dispatchEventImpl(Component.java:4883)
    at java.awt.Container.dispatchEventImpl(Container.java:2292)
    at java.awt.Component.dispatchEvent(Component.java:4705)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
    at java.awt.Container.dispatchEventImpl(Container.java:2278)
    at java.awt.Window.dispatchEventImpl(Window.java:2739)
    at java.awt.Component.dispatchEvent(Component.java:4705)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
    at java.awt.EventQueue.access$400(EventQueue.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:697)
    at java.awt.EventQueue$3.run(EventQueue.java:691)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
    at java.awt.EventQueue$4.run(EventQueue.java:719)
    at java.awt.EventQueue$4.run(EventQueue.java:717)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

I wonder if there's a way for him to accept numbers typed with a comma!

    
asked by anonymous 09.10.2015 / 16:50

1 answer

2

You can change the comma per point through the code, so the front end will be transparent.

Example 

 valor = new BigDecimal(cmpValor.getText().replace(",",".");
    
09.10.2015 / 16:54
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