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public String convert(String s) {
char[] ch = s.toLowerCase().toCharArray();
for (int i = 0; i < ch.length; i += 2) {
if (Character.isLowerCase(ch[i]))
ch[i] -= 32;
}
return new String(ch);
}
public String convert(String s) {
String str = "Your String";
char[] ch = str.toLowerCase().toCharArray();
for (int i = 0; i < ch.length; i += 2) {
if (Character.isLowerCase(ch[i]))
ch[i] -= 32;
}
return new String(ch);
}
public class Test {
public static void main(String[] args) {
String str = "abcdefg";
String uperstr = str.toUpperCase();
String newstr = "";
for (int i = 0; i < str.length(); i = i + 1) {
if (i / 2 * 2 == i) {
newstr = newstr + uperstr.charAt(i);
} else {
newstr = newstr + str.charAt(i);
}
}
System.out.println("最后的结果:" + newstr);
}
}
public static void main(String[] args) {
String s = "abcdefgsgsagasteryrthfghsgadfhdgjgfdghasrdgtqreyards";
StringBuilder build = new StringBuilder(s);
for(int i = 0 ; i < build.length() ; i+=2) {
build.setCharAt(i, Character.toUpperCase(s.charAt(i)));
}
System.out.println(build.toString());
}
public static String convert(String s){
StringBuffer sb = new StringBuffer("");
for(int i=0;i<s.length();i++){
char ch = s.charAt(i);
String si;
if(i%2==0)
si = String.valueOf(ch).toUpperCase();
else
si = String.valueOf(ch).toLowerCase();
sb.append(si);
}
return sb.toString();
}
public static void main(String[] args) {
String s = "abcdefgsgsagasteryrthfghsgadfhdgjgfdghasrdgtqreyards";
StringBuilder build = new StringBuilder();
for(int i = 0 ; i < s.length();i++) {
if(i%2==0 && Character.isLowerCase(s.charAt(i))) {
build.append(Character.toUpperCase(s.charAt(i)));
} else {
build.append(s.charAt(i));
}
}
System.out.println(build.toString());
}
public class test {
/**
* @param args
*/
public static String transfer(String temp) {
StringBuffer sb = new StringBuffer();
for(int i=0;i<temp.length();i++) {
char c = temp.charAt(i);
if(i%2 == 0) {
String s = String.valueOf(c).toUpperCase();
sb.append(s);
}else {
sb.append(c);
}
}
return sb.toString();
}
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println(transfer("abcdefg"));
}
}
public static String change(String str){
if( str == null || "".equals(str) ){
return "";
}
StringBuffer sb = new StringBuffer();
for(int i=0;i<str.length();i++){
if(i%2==0){
sb.append( str.substring(i,i+1).toUpperCase() );
}else{
sb.append( str.substring(i,i+1).toLowerCase() );
}
}
return sb.toString();
}
public class LowToUpper {
public static void main(String args[]){
String str = "abcdefghijklmnopqistuvwxyz";
char[] charArray = str.toCharArray();
for(int i=0; i<charArray.length; i++){
if(i%2 == 0)
charArray[i] -= 32;
}
System.out.println(new String(charArray));
}
}
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