[Java] Konstruktor v dedovanem razredu

public class RegularWatch {
	
	private double time = 24;
	private boolean isWaterProof = false;
	public String waterP;
	
	
	
	
	public RegularWatch(double t, boolean wP) {
		
		this.time = t;
		this.isWaterProof = wP;
		this.getWaterProofInfo();
		
		
		
	}
	
	
	
	public double getTime() {
		
		return time;
		
	}
	
	public boolean wpBool() {
		
		return isWaterProof;
		
	}
	
	public String getWaterProofInfo() {
		
		if(isWaterProof == false) {
			
			waterP = " is not waterproof";
		
		} else {
			
			waterP = " is waterproof";
		}
		
		return waterP;
	}
	
	public void writeOut() {
		
		System.out.println("This watch shows time "+ time + " and "+ waterP);
		
	}
	

}

public class SportsWatch extends RegularWatch {
	
	
	
	

}

Implicit super constructor RegularWatch() is undefined for default constructor. Must define an explicit constructor

What can you do with subclass:
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-You can write a subclass constructor that invokes the constructor of the superclass, either implicitly or by using the keyword super