二级二级JAVA2009年9月全国计算机等级考试二级笔试试卷Java语言程序设计
题目内容

下列程序的功能是统计字符串中“array”的个数,在程序的空白处应填入的正确选项是public class FindKeyWords{public static void main(sring[] args){sting text=“ An array is a data structur that stores a collection of”+ “values of the same type . You access each individual value”+ “through an integer index . For example,if a is an array”+ “of inergers, then a[i] is the ith integer in the array.”;Int arrayCount =0;Int idex = -1;Sting arrarStr =”array”;Index = text.indexof(arrayStr);While(index          0) {++arrayCount;Index += arrayStr.length();Index = text.indexof(arrayStr,index);}System.out.println(“the text contains” + arrayCount + “arrays”);}}

2024-07-09

A.<

B.=

C.<=

D.>=

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