?? construction.java
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package Construction;public class Construction { public static void main(String a[]){ char chars1[]={'a','b','c'}; char chars2[]={'e','f','g','h','j'}; byte ascii[]={120,121,122}; String s1=new String(chars1); String s2=new String(chars2,0,5); String s3=new String(ascii,0,3); String s4="helloworld-well !"; String s5="w"; System.out.println("String s1="+s1); System.out.println("String s2="+s2); System.out.println("String s3="+s3); System.out.println("String s4="+" \" "+s4+" \" "); System.out.println("s4.length="+s4.length()); System.out.println(s4.charAt(0)); System.out.println("s4.indexOf(100)="+s4.indexOf(100)); System.out.println("s4.indexOf(w,7)="+s4.indexOf("w",7)); System.out.println("s4.lastindexOf(world)="+s4.lastIndexOf("world")); System.out.println(); }}?? 快捷鍵說明
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