17 lines
286 B
JavaScript
17 lines
286 B
JavaScript
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class Rack{
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constructor(noOfShelf) {
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this.noOfShelf = noOfShelf;
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}
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addShelf(){
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this.noOfShelf = this.noOfShelf + 1;
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}
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isEmpty(){
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if (this.noOfShelf === 0){
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return true;
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}else {
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return false;
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}
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}
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}
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