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I don't think the try catch is necessary. Just use println is OK;
//Write your code herestaticbooleanflag=true;staticintB,H;static{Scannerscanner=newScanner(System.in);B=scanner.nextInt();scanner.nextLine();H=scanner.nextInt();scanner.close();if(B<=0||H<=0){flag=false;System.out.println("java.lang.Exception: Breadth and height must be positive");}else{//System.out.println(B * H);}}
Java Static Initializer Block
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I don't think the try catch is necessary. Just use println is OK;