1publicstaticString toString(inti) {2if(i ==Integer.MIN_VALUE)3return"-2147483648";4intsize = (i < 0) ? stringSize(-i) + 1: stringSize(i); //判断i位数5char[] buf =newchar[size];6getChars(i, size, buf);7returnnewString(buf,true);8} getChars() 1staticvoidgetChars(inti,int...
The Java language provides special support for the string concatenation operator ( + ), and for conversion of other objects to strings. String concatenation is implemented through the StringBuilder(or StringBuffer) class and its append method. String conversions are implemented through the method toStr...
String.valueOf(a)->Integer.toString(a)->IntegralToString.intToString(a)->convertInt(null, a) Integer.toString(a)->IntegralToString.intToString(a)->convertInt(null, a) 能够看到String.valueOf是通过调用Integer.toString实现的,也难怪他们的效率如此接近。 他们最后都会调用到convertInt函数中: private st...
1、int ---> String 与空字符串连接 String s1 = ""+i; 调用java.lang包下的方法 String s2 = String.valueOf(i); //或者 String s3 = Integer.toString(i); 2、String ---> int 调用java.lang包下Integer类中的方法 int i1 = Integer.valueOf(s); //或者 int i2 = Integer.parseInt(s); ...
public static void main(String args[]){ //String with negative sign String str=”-234″; //An int variable int inum = 110; /* Convert String to int in Java using valueOf() method * the value of variable inum2 would be negative after ...
饼状图表示例 下面是使用mermaid语法的饼状图表示toString和String的区别: 100%toString和String的区别String 以上图表表示toString占总比例的60%,而String占总比例的40%。 参考资料 [Java - toString() method]( [Java - String Class](
Returns a string representation of the integer argument as an unsigned integer in base 8. C# [Android.Runtime.Register("toOctalString","(I)Ljava/lang/String;","")]publicstaticstringToOctalString(inti); Parameters i Int32 an integer to be converted to a string. ...
需要明确的是String是引用类型,int是基本类型,所以两者的转换并不是基本类型间的转换,这也是该问题提出的意义所在,SUN公司提供了相应的类库供编程人员直接使用。 2.Integer.parseInt(str) 与 Integer.valueOf(Str).intValue() : 其实查看Java源码不难发现后者的实现是基于parseInt函数来实现的,所以很有必要分析parseIn...
String s =""+ luckyNumbers; 会生成字符串“[I@la46e3”(前缀 [I 表示这是一个整型(int)数组)。补教方法是调用静态方法Arrays.toString。以下代码: String s = Arrays.toString(luckylumbers); 将生成字符串“[2,3,5,7,11,13]"。 要想正确地打印多维数组 (即数组的数组),则需要调用 Arrays.deepToStr...
Returns a string representation of the integer argument as an unsigned integer in base 16. C# Copy [Android.Runtime.Register("toHexString", "(I)Ljava/lang/String;", "")] public static string ToHexString (int i); Parameters i Int32 an integer to be converted to a string. Returns...