How does event listener work in java?

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What is pure java?

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What is mean by j2ee?

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What is the ear file?

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public class ActionSearchBean extends GenericSearchBean<ActionDTO, Long, ActionDTO> { @Override public String search() { data.setRowCount(null); if(data.getRowCount()==0){ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } return "searchAction"; } @Override public String clear() { data.setRowCount(null); if (data.getRowCount() > 0){ data.getNoRecordFound().setRendered(false); data.getDataScroller().setRendered(true); }else{ data.getNoRecordFound().setRendered(true); data.getDataScroller().setRendered(false); } data.setModel(new ActionDTO()); data.setRowCount(null); return "searchAction"; } } what is the purpose of @Override ...what will do @Override here ?

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What is java gui?

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What is difference between javac and java?

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Possible ways for debugging java ,javascript,jsp and servlet. Can we use System.out.println debugging java.

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Is class a data type in java?

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What is application configuration resource file?

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what is a servlet? and explain its lifecycle methods?

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What is java used for in technology?

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