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public class Test {
public static void main(String[] args) throws Exception {
String s = "We Are Happy";
System.out.println(replaceMethod(s));
}
private static String replaceMethod(String s) {
StringBuffer buffer=new StringBuffer();
if(s!=null){
for(int i=0;i<s.length();i++){
char ch=s.charAt(i);
if(ch==' '){
buffer.append("%20");
}else{
buffer.append(ch);
}
}
}
return buffer.toString();
}
}
public static void main(final String[] args) {
String string = "We Are Happy";
System.out.println(replaceString(string));
}
public static String replaceString(final String inputString) {
return inputString.replace(" ", "%20");
}
public class ReplaceMethodTest {
public static void main(final String[] args) {
String string = "We Are Happy";
System.out.println(replaceMethod(string));
}
public static String replaceMethod(final String inputString) {
return inputString.replace(" ", "%20");
}
}
We%20Are%20Happy
是说用Java如何实现replace方法吗?还是仅仅如何使用replace方法?