循环语句 不确定循环 while (condition) statement do statement while (condition) Retirement源码 确定循环 for (statement1;expressionl;expression2) statement? statementl; while (expressionl){ statement2, expression2, } ©2006计算机系杨厚群 All rights lefts reserved.©2006 计算机系 杨厚群 All rights & lefts reserved. 不确定循环 while (condition) statement do statement while (condition) Retirement源码 确定循环 for (statement1; expression1; expression2) statement2 statement1; while (expression1) { statement2; expression2; } 循环语句