第六章数组与字符串[基础篇].pptVIP

第六章 数组与字符串;§6.1 数组;§6.1 数组;§6.1 数组;§6.1 数组—示例1;§6.1 数组—示例2;§6.1 数组—示例3;// BubbleSort.java import java.applet.*; public class BubbleSort extends Applet { public void init() { int a[] = { 2, 6, 4, 8, 10, 12, 89, 68, 45, 37 }; for ( int i = 0; i a.length; i++ ) System.out.print( a[ i ]+ ); System.out.println( ); bubbleSort( a ); ;§6.1 数组—示例4; c[ first ] = c[ second ]; c[ second ] = hold; } } } public void bubbleSort( int b[] ) { for ( int pass = b.length - 1; pass 0; pass-- ) { for ( int i = 0; i pass; i++ ) if ( b[ i ] b[ i + 1 ] ) swap(b,i,i + 1); } };// JavaArrayUse.java public class JavaArrayUse { public static void main( String args[] ) { int i,j; int youngMaxLevel = 15; int young[][]; young = new int[youngMaxLevel][]; for ( i = 0; i young.length; i++ ) young[i] = new int[i+1]; young[0] [0] = 1; ;for ( i = 1; i young.length; i++ ) {young[i][0] = 1; for ( j = 1; j young[i].length-1; j++ ) young[i][j] = young[i-1][j-1]+young[i-1][j]; young[i][young[i].length-1] = 1; } for ( i = 0; i young.length; i++ ) {for ( j = 0; j young[i].length; j++ ) System.out.print(young[i][j]+ ); System.out.println(); } } };§6.1 数组—示例6（读程序）;§6.1 数组—示例6（读程序）;§6.1 数组—示例7;§6.1 数组—示例7;§6.2 字符串;1. 创建字符串;例1：构造方法;例1：构造方法;例2：构造方法;2. 使用字符串;2. 使用字符串;例3：方法使用;例3：方法使用;例3：方法使用;例3：方法使用;例4：方法使用;内容要点;习题;// StringTest.java public class StringTest { public static void main( String args[] ) { String s = new String( 07/21/1999 ); String s1 = s.substring(0,2); int m = Integer.parseInt( s1 ); switch(m){ case 1 :System.out.print(January + s.substring(3,5)+ ,+s.substring(6,10)); break; ;case 2 :System.out.print(February +s.substring(3,5)+,+s.substring(6,10)); break; case 3 :Sys