publicclassHelloWorld{privatestaticfinal StringCONST="this-is-a constant var";privateString name;publicHelloWorld(String name){this.name=name;}publicvoidsayHello(){System.out.println("hello, "+name);}publicstaticvoidmain(String[]args){System.out.println(CONST);HelloWorld h1=newHelloWorld("lumin");...
AI代码解释 classCat{publicCat(String name){this.name=name;}privateString name;publicStringgetName(){returnname;}publicvoidsetName(String name){this.name=name;}}Cat c1=newCat("王磊");Cat c2=newCat("王磊");System.out.println(c1.equals(c2));// false 输出结果出乎我们的意料,竟然是 false?
; 答案:+或者concat 编写一个程序,从你的全名计算出你名字的首字母并显示出来 public class ComputeInitials { public static void main(String[] args) { String myName = "Fred F. Flintstone"; StringBuffer myInitials = new StringBuffer(); int length = myName.length(); for (int i = 0; i < ...
1.核心类Code128Bean(有兴趣的小伙伴可以查看源码).Code128Bean bean = new Code128Bean(); 首先是设置宽度,一般为1.0/150或者1.0/200.大家可以根据自己的具体调试。 final double moduleWidth = UnitConv.in2mm(1.0f / 150); bean.setModuleWidth(moduleWidth); 1. 2. 其次是设置条形码高度 根据纸张的大小...
' '{print $(NF-1)}' aaa.txt输出前2行的第2列的值shell awk -F ',' '{print $2}' ...
a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code....
${{alias:alias_name}}は、javax.security.auth.x500.X500Principal "DN"に置き換えられます。このDNは、alias_nameに属する証明書のサブジェクト識別名を表します。たとえば: コピー keystore "http://foo.bar.example.com/blah/.keystore"; grant codebase "www.foo.example.com" { permission ...
JavaCode 学习java过程中所敲的代码和笔记 JavaSE 通过Java的历史和演变对Java的应用范围有一定的了解,主体功能; 熟悉JDK、JRE、JVM的概念和区别; Java语言的注释、关键字、标识符的定义规则(不能数字开头、不能是关键字)、数据类型(基本:byte1 short2 int4 long8 floa4t double8 boolean1 char2,引用:类String...
PrintService myPrintService = p.GetPrintService("printName");//可以输出打印机的各项属性AttributeSet att = myPrintService.getAttributes();for(Attribute a : att.toArray()) { System.out.println("attributeName:"+a.getName()+" attributeValue:"+ att.get(a.getClass()).toString()); ...
BarcodePDF417 pdf=newBarcodePDF417();/*String str = new String(codeString.getBytes(),"GBK");*//*pdf.setText(codeString.getBytes("GBK")); pdf.setYHeight(4);*/pdf.setText(codeString.getBytes("GBK")); Image pdfImg=pdf.createAwtImage(Color.black, Color.white); ...