import java.util.Map;
import java.util.TreeMap;
public class TreeMapDeleteAll {
public static void main(String[] args) {
Map<Integer, String> tm = new TreeMap<Integer,String>();
// add key and values
tm.put(1,"java");
tm.put(2,"cpp");
tm.put(3,"php");
tm.put(4,"c");
tm.put(5, "mysql");
//print treemap
System.out.println("Before Clear TreeMap Is="+tm);
//Removes all of the mappings from this map
tm.clear();
System.out.println("After Clear TreeMap Is ="+tm);
}
}
Output:
Before Clear TreeMap Is={1=java, 2=cpp, 3=php, 4=c, 5=mysql}
After Clear TreeMap Is ={}
import java.util.TreeMap;
public class TreeMapDeleteAll {
public static void main(String[] args) {
Map<Integer, String> tm = new TreeMap<Integer,String>();
// add key and values
tm.put(1,"java");
tm.put(2,"cpp");
tm.put(3,"php");
tm.put(4,"c");
tm.put(5, "mysql");
//print treemap
System.out.println("Before Clear TreeMap Is="+tm);
//Removes all of the mappings from this map
tm.clear();
System.out.println("After Clear TreeMap Is ="+tm);
}
}
Output:
Before Clear TreeMap Is={1=java, 2=cpp, 3=php, 4=c, 5=mysql}
After Clear TreeMap Is ={}
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