publicclassUser{@StringLengthLimit(10)privateStringusername;// Getters and setters...}publicclassMain{publicstaticvoidmain(String[]args){Useruser=newUser();user.setUsername("This is a username that exceeds the
下面是一个简单的代码示例,演示了如何创建一个超过2GB长度的String对象: publicclassStringLengthLimitExample{publicstaticvoidmain(String[]args){StringBuildersb=newStringBuilder();for(inti=0;i<Integer.MAX_VALUE;i++){sb.append("a");}Stringstr=sb.toString();System.out.println(str.length());}} 1. ...
* code units in the string. * * @return the length of the sequence of characters represented by this * object. */publicintlength(){returnvalue.length;} 所以看到这里,我们又得出了一个结果,**当字符串存放在堆内存的时候,最大的长度为Integer.MAX_VALUE = 0x7fffffff;**。不过需要注意的是,这个...
public class StringLengthLimit { public static void main(String[] args) { // 尝试创建一个长度超过65535的字符串,这将导致编译失败 String longString = "a".repeat(65536); // 这行代码会导致编译错误 System.out.println("String length: " + longString.length()); } } 尝试编译上述代码将会失败...
MAX_STRING_LENGTH)return;log.error(pos, "limit.string");nerrs++;}在看看Pool.MAX_STRING_LENGTH...
The length of field and method names, field and method descriptors, and other constant string values is limited to 65535 characters by the 16-bit unsigned length item of the CONSTANTUtf8info structure (§4.4.7). Note that the limit is on the number of bytes in the encoding and not on ...
privatevoidcheckStringConstant(DiagnosticPosition var1,Objectvar2) {if(this.nerrs==0&& var2 !=null&& var2instanceofString&& ((String)var2).length() >=65535) {this.log.error(var1,"limit.string",newObject[0]); ++this.nerrs; }
首先对于 String 我们可以有下面几种用法: 定义一个 String 类型的变量: private static final String STRING_TEST = "xxxxxxxxxxx"; 或者 String newString = "newString"; 通过在方法中定义 String 类型的变量,通过字节流创建字符串: byte[] bytes = new byte[length];String s = new String(bytes); ; ...
The length of field and method names, field and method descriptors, and other constant string values is limited to 65535 characters by the 16-bit unsigned length item of the CONSTANTUtf8info structure (§4.4.7). Note that the limit is on the number of bytes in the encoding and not on ...
public String(byte bytes[], int offset, int length) 1. 可以看到,这里面的参数length是使用int类型定义的,那么也就是说,String定义的时候,最大支持的长度就是int的最大范围值。 根据Integer类的定义,java.lang.Integer#MAX_VALUE的最大值是2^31 - 1; ...