| 9. 27. 1. Map.Entry Interface: the getKey() and getValue() methods |
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public Object getKey()
public Object getValue()
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setValue() method allows you to replace the value
for the key associated with the entry: |
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public Object setValue(Object newValue)
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import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
public class MainClass {
public static void main(String[] a) {
Properties props = System.getProperties();
Iterator iter = props.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry) iter.next();
System.out.println(entry.getKey() + " -- " + entry.getValue());
}
}
}
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java.runtime.name -- Java(TM) 2 Runtime Environment, Standard Edition
sun.boot.library.path -- C:\Java_Dev\sdk\jdk\jre\bin
java.vm.version -- 1.5.0-b64
... |