1.代码实现
for (int i = 1; i <= 9; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(i+"*"+j+"="+(i*j)+"\t");
}
System.out.println();
}
2.效果展示

for (int i = 1; i <= 9; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(i+"*"+j+"="+(i*j)+"\t");
}
System.out.println();
}