编写JAVA程序将字符str="2,3,4,5,6,7,8,9,11,13,14,"变为“2-9,11,1...答:编写java程序将字符串str="2,3,4,5,6,7,8,9,11,13,14" 变为"2-9,11,13-14"public static void cutString(){ String str = "2,3,4,5,6,7,8,9,11,13,14";String[] str1 = str.split(",");StringBuffer buff = new StringBuffer() ;int c1,c2 ;int i,j;boolean is...