Java "Syntax error on token "else", delete this token" if else-if else-if 子句错误?
Java "Syntax error on token "else", delete this token" error on if else-if else-if clause?
我制作了一个程序来按字典顺序排列 3 个名字。我遇到了两个 else if 子句的语法错误。如果没有 else-if 语句,我无法弄清楚我应该怎么做。这里有什么问题?
Scanner splitter = new Scanner(names);
String name1 = splitter.next();
String name2 = splitter.next();
String name3 = splitter.next();
if (name1.compareToIgnoreCase(name2) < 0 && name1.compareToIgnoreCase(name3) < 0); {
namesOrdered = namesOrdered + name1 + " ";
if (name2.compareToIgnoreCase(name3) < 0) {
namesOrdered = namesOrdered + name2 + " ";
namesOrdered = namesOrdered + name3 + " ";
}
else {
namesOrdered = namesOrdered + name3 + " ";
namesOrdered = namesOrdered + name2 + " ";
}
}
else if (name2.compareToIgnoreCase(name1) < 0 && name2.compareToIgnoreCase(name3) < 0); {
namesOrdered = namesOrdered + name2 + " ";
if (name1.compareToIgnoreCase(name3) < 0) {
namesOrdered = namesOrdered + name1 + " ";
namesOrdered = namesOrdered + name3 + " ";
}
else {
namesOrdered = namesOrdered + name3 + " ";
namesOrdered = namesOrdered + name1 + " ";
}
}
else if (name3.compareToIgnoreCase(name2) < 0 && name3.compareToIgnoreCase(name1) < 0); {
namesOrdered = namesOrdered + name3 + " ";
if (name2.compareToIgnoreCase(name1) < 0) {
namesOrdered = namesOrdered + name2 + " ";
namesOrdered = namesOrdered + name1 + " ";
}
else {
namesOrdered = namesOrdered + name1 + " ";
namesOrdered = namesOrdered + name2 + " ";
}
}
System.out.println(namesOrdered);
删除if
和else if
语句的条件表达式之后({
之前)的;
。
我制作了一个程序来按字典顺序排列 3 个名字。我遇到了两个 else if 子句的语法错误。如果没有 else-if 语句,我无法弄清楚我应该怎么做。这里有什么问题?
Scanner splitter = new Scanner(names);
String name1 = splitter.next();
String name2 = splitter.next();
String name3 = splitter.next();
if (name1.compareToIgnoreCase(name2) < 0 && name1.compareToIgnoreCase(name3) < 0); {
namesOrdered = namesOrdered + name1 + " ";
if (name2.compareToIgnoreCase(name3) < 0) {
namesOrdered = namesOrdered + name2 + " ";
namesOrdered = namesOrdered + name3 + " ";
}
else {
namesOrdered = namesOrdered + name3 + " ";
namesOrdered = namesOrdered + name2 + " ";
}
}
else if (name2.compareToIgnoreCase(name1) < 0 && name2.compareToIgnoreCase(name3) < 0); {
namesOrdered = namesOrdered + name2 + " ";
if (name1.compareToIgnoreCase(name3) < 0) {
namesOrdered = namesOrdered + name1 + " ";
namesOrdered = namesOrdered + name3 + " ";
}
else {
namesOrdered = namesOrdered + name3 + " ";
namesOrdered = namesOrdered + name1 + " ";
}
}
else if (name3.compareToIgnoreCase(name2) < 0 && name3.compareToIgnoreCase(name1) < 0); {
namesOrdered = namesOrdered + name3 + " ";
if (name2.compareToIgnoreCase(name1) < 0) {
namesOrdered = namesOrdered + name2 + " ";
namesOrdered = namesOrdered + name1 + " ";
}
else {
namesOrdered = namesOrdered + name1 + " ";
namesOrdered = namesOrdered + name2 + " ";
}
}
System.out.println(namesOrdered);
删除if
和else if
语句的条件表达式之后({
之前)的;
。