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publicstaticintB=1;publicstaticintH=1;publicstaticbooleanflag=true;static{Scannerscan=newScanner(System.in);B=scan.nextInt();H=scan.nextInt();scan.close();if(B<=0||H<=0){flag=false;System.out.println("java.lang.Exception: Breadth and height must be positive");}}
Java Static Initializer Block
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