/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
private HashMap
<Object, Object
> hashMap
;
public Ideone() {
this.hashMap = new HashMap<>();
}
// Insert operation
hashMap.put(key, value);
}
// Get operation
return hashMap.get(key);
}
// Delete operation
public void delete
(Object key
) { hashMap.remove(key);
}
public static void main
(String[] args
) { Ideone cto = new Ideone();
// Insertions
cto.insert(1, "One");
cto.insert(2, "Two");
cto.insert("Three", 3);
cto.insert("Array", new int[]{1, 2, 3});
// Get operations
System.
out.
println(cto.
get(1)); // Output: One System.
out.
println(cto.
get(2)); // Output: Two System.
out.
println(cto.
get("Three")); // Output: 3 System.
out.
println(cto.
get("Array")); // Output: [I@ }
}
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