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importjava.util.Scanner;classMyCalculator{publiclongpower(intn,intp)throwsException{if(n<0||p<0){thrownewException("n or p should not be negative.");}elseif(n==0&&p==0){thrownewException("n and p should not be zero.");}longresult=1;for(inti=0;i<p;i++){result=result*n;}returnresult;}}publicclassSolution{publicstaticfinalMyCalculatormy_calculator=newMyCalculator();publicstaticfinalScannerin=newScanner(System.in);publicstaticvoidmain(String[]args){while(in.hasNextInt()){intn=in.nextInt();intp=in.nextInt();try{System.out.println(my_calculator.power(n,p));}catch(Exceptione){System.out.println(e);}}}}
Java Exception Handling
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