[英]Taking multiple string arrays and write it into one single line print
我想知道是否有可能将所有字符串数组的结果打印到一个println中,而不是多个中。
String[] test1 = { "a", "b", "c" };
String[] test2 = { "a", "B", "c", "D", "e" };
String[] test3 = { "A", "B", "C", "D" };
String[] test4 = { "$", "B", "c", "6", "D", "\n", "E" };
int upperCaseCount1 = countUppercase(test1); //Instead of printing this
System.out.println(upperCaseCount1);
int upperCaseCount2 = countUppercase(test2);
System.out.println(upperCaseCount2);
int upperCaseCount3 = countUppercase(test3);
System.out.println(upperCaseCount3);
int upperCaseCount4 = countUppercase(test4);
System.out.println(upperCaseCount4);
//am i able to use a single line print? like....my failed attempts here.
System.out.println(countUppercase("test1", "test2","test3", "test4");
您可以在println中连接结果
int upperCaseCount1 = countUppercase(test1);
int upperCaseCount2 = countUppercase(test2);
int upperCaseCount3 = countUppercase(test3);
int upperCaseCount4 = countUppercase(test4);
System.out.println( upperCaseCount1 +", "+upperCaseCount2 +", "+upperCaseCount3 +", "+upperCaseCount4);
如果可以使用printf,也可以执行以下操作:
System.out.printf( "Results: %d, %d, %d, %d%n", upperCaseCount1, upperCaseCount2, upperCaseCount3, upperCaseCount4);
%d是int,%n是换行。 简单的教程 。
您还可以使用StringBuilder。 教程 。
StringBuilder builder = new StringBuilder("Results: ");
builder.append(countUppercase(test1)).appende(" ").
append(countUppercase(test2)).appende(" ").
append(countUppercase(test3)).appende(" ").
append(countUppercase(test4));
System.out.println( builder);
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