然而,由于索引的错误使用,开发者常常会遇到java.lang.StringIndexOutOfBoundsException异常。这种异常通常是由于尝试访问字符串中不存在的索引位置而导致的。...这将导致java.lang.StringIndexOutOfBoundsException异常。...二、可能出错的原因 导致java.lang.StringIndexOutOfBoundsException的原因主要包括以下几种: 索引超出范围:尝试访问的索引超出了字符串的长度。...四、正确代码示例 要避免java.lang.StringIndexOutOfBoundsException,我们需要在访问索引之前进行有效性检查。...通过遵循这些最佳实践,开发者可以有效地避免java.lang.StringIndexOutOfBoundsException异常,提高代码的健壮性和稳定性。
; try { System.out.println(str.charAt(20)); } catch (StringIndexOutOfBoundsException
public String substring(int beginIndex) { if (beginIndex < 0) { throw new StringIndexOutOfBoundsException...beginIndex); } int subLen = value.length - beginIndex; if (subLen < 0) { throw new StringIndexOutOfBoundsException...public String(char value[], int offset, int count) { if (offset < 0) { throw new StringIndexOutOfBoundsException...(offset); } if (count <= 0) { if (count < 0) { throw new StringIndexOutOfBoundsException...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count
(srcBegin); } if (srcEnd > value.length) { throw new StringIndexOutOfBoundsException...(srcEnd); } if (srcBegin > srcEnd) { throw new StringIndexOutOfBoundsException...4.3 delete /** * @throws StringIndexOutOfBoundsException {@inheritDoc} */ @Override...(start); if (start > count) throw new StringIndexOutOfBoundsException("start > length...()"); if (start > end) throw new StringIndexOutOfBoundsException("start > end");
(beginIndex); } if(endIndex > count){ throw new StringIndexOutOfBoundsException(endIndex...); } if(beginIndex > endIndex){ throw new StringIndexOutOfBoundsException(endIndex...(beginIndex); } if (endIndex > value.length) { throw new StringIndexOutOfBoundsException...(offset); } if (count <= 0) { if (count < 0) { throw new StringIndexOutOfBoundsException...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count
(beginIndex); } if (endIndex > count) { throw new StringIndexOutOfBoundsException(endIndex)...; } if (beginIndex > endIndex) { throw new StringIndexOutOfBoundsException(endIndex - beginIndex...(beginIndex); } if (endIndex > value.length) { throw new StringIndexOutOfBoundsException...(offset); } if (count < 0) { throw new StringIndexOutOfBoundsException(count); }...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count);
使长度满足 newLength 参数 public void setLength(int newLength) { if (newLength < 0) throw new StringIndexOutOfBoundsException...(srcBegin); if ((srcEnd count)) throw new StringIndexOutOfBoundsException...(srcEnd); if (srcBegin > srcEnd) throw new StringIndexOutOfBoundsException("srcBegin...(start); if (end > count) throw new StringIndexOutOfBoundsException(end);...if (start > end) throw new StringIndexOutOfBoundsException(end - start); return new
i=test.charAt(21); System.out.println(i); } } 异常信息 20 Exception in thread "main" java.lang.StringIndexOutOfBoundsException...com.wangyu.study.TestStringIndex.main(TestStringIndex.java:19) 异常分析: 数组test的长度为20 ,当我们去访问索引为21的,及第22个字符的时候会报StringIndexOutOfBoundsException...i=test.charAt(-1); System.out.println(i); } } 异常信息 20 Exception in thread "main" java.lang.StringIndexOutOfBoundsException...个人总结: 如果程序中出现StringIndexOutOfBoundsException,表示程序尝试获取大于等于字符串length和小于0的索引字符。
public char charAt(int index) { if ((index = value.length)) { throw new StringIndexOutOfBoundsException...(srcBegin); } if (srcEnd > value.length) { throw new StringIndexOutOfBoundsException(...srcEnd); } if (srcBegin > srcEnd) { throw new StringIndexOutOfBoundsException(srcEnd...(beginIndex); } if (endIndex > value.length) { throw new StringIndexOutOfBoundsException...(beginIndex); } if (endIndex > value.length) { throw new StringIndexOutOfBoundsException
看源码: public String substring(int beginIndex, int endIndex) { if (beginIndex < 0) { throw new StringIndexOutOfBoundsException...(beginIndex); } if (endIndex > count) { throw new StringIndexOutOfBoundsException(endIndex); } if...(beginIndex > endIndex) { throw new StringIndexOutOfBoundsException(endIndex - beginIndex); }
, int endIndex) { //起始位置不能小于0 不然没有意义 if (beginIndex < 0) { throw new StringIndexOutOfBoundsException...//同理末端位置的值不能大于实际长度,超过实际长度截取没有意义 if (endIndex > value.length) { throw new StringIndexOutOfBoundsException...if (subLen < 0) { throw new StringIndexOutOfBoundsException(subLen); }...System.out.println(d1); 这个错误和源码里的末端值超过实际长度的异常名字一样 if (endIndex > value.length) throw new StringIndexOutOfBoundsException
public String(char value[], int offset, int count) { if (offset < 0) { throw new StringIndexOutOfBoundsException...offset); } if (count <= 0) { if (count < 0) { throw new StringIndexOutOfBoundsException...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count...offset); } if (count <= 0) { if (count < 0) { throw new StringIndexOutOfBoundsException...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count
if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset...if (offset < 0) { throw new StringIndexOutOfBoundsException(offset); } //...if (offset > codePoints.length - count) { throw new StringIndexOutOfBoundsException(offset...if ((index = value.length)) { throw new StringIndexOutOfBoundsException(index...if ((index = value.length)) { throw new StringIndexOutOfBoundsException(index
public String(char value[], int offset, int count) { if (offset < 0) { throw new StringIndexOutOfBoundsException...offset); } if (count <= 0) { if (count < 0) { throw new StringIndexOutOfBoundsException...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count...offset); } if (count <= 0) { if (count < 0) { throw new StringIndexOutOfBoundsException...if (offset > codePoints.length - count) { throw new StringIndexOutOfBoundsException(offset
public String(char value[], int offset, int count) { if (offset < 0) { throw new StringIndexOutOfBoundsException...(offset); } if (count < 0) { throw new StringIndexOutOfBoundsException(count...if (offset > value.length - count) { throw new StringIndexOutOfBoundsException(offset + count...(beginIndex); } if (endIndex > count) { throw new StringIndexOutOfBoundsException...(endIndex); } if (beginIndex > endIndex) { throw new StringIndexOutOfBoundsException
的引用地址 源码 : public String substring(int beginIndex, int endIndex) { if (beginIndex < 0) { throw new StringIndexOutOfBoundsException...(beginIndex); } if (endIndex > value.length) { throw new StringIndexOutOfBoundsException(endIndex...); } int subLen = endIndex - beginIndex; if (subLen < 0) { throw new StringIndexOutOfBoundsException
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