(7)In a nested if statement,an else clause is matched to the closest unmatched if. 3.问题与应用（能力要求） 掌握f语句的使用方法 第二节Comparing Data 1.主要内容 (1)Comparing Floats (2)Comparing Characters (3)Comparing obiects 2.基本概念和知识点 (1)The relative order of characters in Java is defined by the Unicode character set. (2)The compareTo method can be used to determine the relative order of strings 3.问题与应用（能力要求） 掌握不同数据类型的对比方法。 第三节The while Statement and Iterators 1.主要内容 (1)Infinite Loops (2)Nested Loops (3)The break and continue Statements (4)Reading Text Files 2.基本概念和知识点 (1)A while statement executes the same statement until its condition becomes false (2)We must design our programs carefully to avoid infinite loops. (3)An iterator is an object that helps you process a group of related items. (4)The delimiters used to separate tokens in a Scanner object can be explicitly set as needed 3.问题与应用（能力要求） 掌握while循环，区别对待break和continue,掌握输入输出流的相 关类的使用。 融入点：通过两个一百年目标，阐述在两个一百年到来之前，我党的主要 14 14 (7) In a nested if statement, an else clause is matched to the closest unmatched if. 3．问题与应用（能力要求） 掌握 if 语句的使用方法。 第二节 Comparing Data 1．主要内容 (1) Comparing Floats (2) Comparing Characters (3) Comparing Objects 2．基本概念和知识点 (1) The relative order of characters in Java is defined by the Unicode character set. (2) The compareTo method can be used to determine the relative order of strings. 3．问题与应用（能力要求） 掌握不同数据类型的对比方法。 第三节 The while Statement and Iterators 1．主要内容 (1) Infinite Loops (2) Nested Loops (3) The break and continue Statements (4) Reading Text Files 2．基本概念和知识点 (1) A while statement executes the same statement until its condition becomes false. (2) We must design our programs carefully to avoid infinite loops. (3) An iterator is an object that helps you process a group of related items. (4) The delimiters used to separate tokens in a Scanner object can be explicitly set as needed. 3．问题与应用（能力要求） 掌握 while 循环，区别对待 break 和 continue,掌握输入输出流的相 关类的使用。 融入点：通过两个一百年目标，阐述在两个一百年到来之前，我党的主要